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PubMed2004

DD3PCA3 RNA analysis in urine--a new perspective for detecting prostate cancer.

OBJECTIVES: Serum tPSA lacks specificity. The DD3(PCA3) gene is highly specific for prostate cancer and is detectable in prostate cancer cells shed into urine after rectal palpation. A newly developed nucleic acid sequence based amplification assay (uPM3) for detecting DD3(PCA3) RNA in urine samples was evaluated prospectively in patients referred for prostate cancer detection. METHODS: The uPM3 assay simultaneously detects the relative expression of DD3(PCA3) RNA and PSAmRNA as a marker for prostate cells in urine. Urine samples were collected after attentive digital rectal palpation prior to transrectal guided prostate biopsy. Samples were provided as a single void specimen (20-30 ml), stabilized in phosphate buffer and centrifuged. Lysis was performed on cell pellets DD3(PCA3) RNA and PSAmRNA were extracted and amplification was performed using isothermic nucleic acid based amplification (NASBA). The two targets were detected in real-time using specific beacons as probes in a thermostated spectrofluorimeter. Parameters of the amplification curve were defined after a logistic curve fitting routine and a classification tree model was constructed to predict the outcome of patients (i.e. cancer and non-cancer). RESULTS: 201 patients were included in this prospective study. 158/201 analyzed urine samples contained enough prostate cells sufficient for DD3(PCA3) analysis (79% adequacy rate). Prostate cancer was found in 62 (39%) of the evaluable patients. Overall sensitivity, specificity, positive predictive value and negative predictive value for the uPM3 assay at a cut-off 0.5 probability were 82%, 76%, 67% and 87% respectively as compared to 98%, 5%, 40% and 83% respectively for tPSA (at a cutoff of 2.5 ng/ml). In the tPSA categories <4, 4-10 and >10 ng/ml sensitivity was 73%, 84% and 84% and specificity was 61%, 80% and 70%, respectively. The AUC (area under the curve) was 0.87 (CI 0.81-0.92). CONCLUSION: The uPM3 assay showed excellent clinical performances and a specificity far superior to tPSA.

Adult↗
PubMed2006

Anterior and posterior ankle impingement.

Anterior ankle impingement is characterized by anterior ankle pain on activity. Recurrent (hyper) dorsiflexion is often the cause. Typically, there is pain on palpation at the anteromedial or anterolateral joint line. Some swelling or limitation in dorsiflexion are present. Plain radiographs can disclose the cause of the impingement. In the case of spurs or osteophytes, the diagnosis is anterior bony impingement. In the absence of spurs or osteophytes, the diagnosis is anterior soft tissue impingement. In patients with anteromedial impingement, plain radiographs ae often falsely negative. An oblique view (anteromedial impingement view = AMI view) is recommended in these patients. Arthroscopic management with removal of the offending tissue provides good to excellent long-term (5-8 years) results in 83% of patients with grade 0 and grade I lesions. Long-term results are good/excellent in 50% of patients with grade II lesions (osteophytes secondary to arthritis with joint space narrowing). In posterior ankle impingement, patients experience hindfoot pain when the ankle is forcedly plantarflexed. Trauma or overuse can be the cause. The trauma mechanism is hyperplantarflexion or a combined inversion plantarflexion injury. Overuse injuries typically occur in ballet dancers and downhill runners, who report pain on palpation at the posterolateral aspect of the talus. On plain radiographs, an os trigonum or hypertrophic posterior or talar process can be detected. Surgical management involves removal of the os trigonum, scar tissue, or hypertrophic posterior talar process. In the case of combined posterior bony impingement and flexor hallucis longus tendinopathy, a release of the flexor hallucis longus is performed simultaneously. Endoscopic management is associated with a low morbidity, a short recovery time, and provides good/excellent results at 2-5 years follow-up in 80% of patients.

Ankle Joint↗
PubMedDate not supplied

[Mechanical resistance of pelvic ligaments used for incontinence or prolapse surgery].

OBJECTIVE: Underline the objective strength of the pelvic ligaments. PATIENTS AND METHODS: Twenty nine human female pelvis cadavers, whose storage conditions differed, were used in our study. In each cadaver we dissected all the ligaments used in pelvic surgery. A subjective clinical evaluation of the ligament properties was performed by visual observation as well as by finger palpation. Ligaments were classified into three groups in terms of thickness and apparent strength following finger palpation, high, doubtful and low apparent quality ligaments. Then a suture taking the entire ligament switched the ligaments and a force was applied on the vagina axis until tearing. The device used for strength measurement during traction was a Samson type force gauge, which was developed for the purpose of our study. Results were given in Newtons. RESULTS: We found a great variability in the values obtained at tearing with maximal values at 200 newtons and minimal at 22. Individually measured, ligament strength varied between individuals, and for a same patient between the type of ligaments and the side. The pre-vertebral ligament was on average the strongest. For bilateral ligaments, there was no difference between the left and right side. The iliopectineal ligament was statistically significantly stronger than sacrospinous and arcus tendineus of pelvic fascia. There was a correlation between subjective evaluation and objective strength measurements. DISCUSSION AND CONCLUSION: We performed the only study of the strength of pelvic ligaments at tearing. These are, however, routinely used in the cure of prolapse and urinary incontinence. Our results show that there is a great variability in strength between individuals, and for a same patient between the types of ligaments and side. These observations could explain some of the surgical intervention failures and demonstrate the importance of per-operative strength evaluation. Per-operative subjective evaluation on strength is related to objective measurements and could be used to determine the type of ligaments to be used for surgical assembly suspension.

Biomechanical Phenomena↗
PubMed2004

Hand-assisted Thoracoscopic Surgery causes less postoperative pain than limited thoracotomy after cessation of epidural analgesia.

BACKGROUND: Hand-assisted Thoracoscopic Surgery (HATS) is a novel minimally invasive technique for performing procedures conventionally performed by posterolateral thoracotomy. HATS overcomes a major drawback of thoracoscopic surgery in allowing full manual palpation of the lungs via a subcostal (mini-Kocher's) incision under videoscopic guidance, avoiding a thoracotomy, when the indication is pulmonary metastasectomy with curative intent or resection of undiagnosed lung nodules. It is postulated HATS may produce improved postoperative quality of life outcomes compared to thoracotomy. AIMS: To determine if HATS compared to limited posterolateral thoracotomy causes less postoperative pain after cessation of epidural anaesthesia. METHODS: Fifty-two patients were prospectively randomised to receive a limited thoracotomy (n=26) or HATS (n=26). Pain scores, measured on a visual analogue scale, were recorded during standard nursing observations and after analgesia demands in the 24h after epidural removal. RESULTS: Pain scores were significantly lower after HATS compared to limited thoracotomy (3.8 versus 5.2, p=0.04). There was no difference in postoperative respiratory function. CONCLUSION: HATS results in lower postoperative pain after cessation of epidural analgesia. This form of analgesia may therefore not be required, reducing the management complexity, complications and hospital stay associated with its use. SHORT ABSTRACT: Hand-assisted Thoracoscopic Surgery (HATS) is a novel technique allowing full manual lung palpation as an adjunct to Video-assisted Thoracoscopic Surgery (VATS). Fifty-two patients were prospectively randomised to receive limited thoracotomy or HATS. Pain scores were significantly lower after HATS compared to thoracotomy, indicating epidural analgesia may not be required.

Journal Article↗
PubMedDate not supplied

Upper crossed syndrome and its relationship to cervicogenic headache.

OBJECTIVE: To discuss the management of upper crossed syndrome and cervicogenic headache with chiropractic care, myofascial release, and exercise. CLINICAL FEATURES: A 56-year-old male writer had been having constant 1-sided headaches radiating into the right eye twice weekly for the past 5 years. Tenderness to palpation was elicited from the occiput to T4 bilaterally. Trigger points were palpated in the pectoralis major, levator scapulae, upper trapezius, and supraspinatus muscles bilaterally. Range of motion in the cervical region was decreased in all ranges and was painful. Visual examination demonstrated severe forward translation of the head, rounded shoulders, and right cervical translation. INTERVENTION AND OUTCOME: The patient was adjusted using high-velocity, short-lever arm manipulation procedures (diversified technique) and was given interferential myofascial release and cryotherapy 3 times weekly for 2 weeks. He progressed to stretching and isometric exercise, McKenzie retraction exercises, and physioball for proprioception, among other therapies. The patient's initial headache lasted 4 days. He had a second headache for 1.5 days during his exercise training. During the next 7 months while returning to the clinic twice monthly for an elective chiropractic maintenance program, his headaches did not recur. He also had improvement on radiograph. CONCLUSION: The principles of upper crossed syndrome and the use of exercise, chiropractic care, and myofascial release in the treatment of cervicogenic headache are discussed. A review of the literature indicates that analyzing muscle imbalance as well as vertebral subluxation may increase the effectiveness of chiropractic treatment for cervicogenic headache.

Accidents, Traffic↗
PubMed2004

Body pain area and pain-related negative affect predict clinical pain intensity in patients with fibromyalgia.

UNLABELLED: Patients with fibromyalgia (FM) report widespread chronic musculoskeletal pain. Palpation of 9 paired tender points (TPs) is commonly used for the diagnosis of FM according to criteria specified by the American College of Rheumatology. Although TP palpation can be used to assess deep tissue hypersensitivity, it has failed as a reliable indicator of clinical pain intensity in FM. The sum of local areas of pain (SLAP) obtained from a body pain diagram represents a relevant measure of the spatial extent of clinical pain, a feature most likely important for FM pain. Because spatial summation of pain can be an important determinant of clinical pain intensity, we hypothesized that this measure would predict clinical pain intensity in FM patients. Because pain is strongly associated with negative emotions, we evaluated the relationship of pain-related negative affect (PRNA) with clinical pain intensity in FM. The independent contributions of SLAP, PRNA, and TP count to the variance of clinical pain intensity were assessed in 280 FM patients. Clinical pain intensity of 280 FM patients was measured by using a visual analogue scale. FM patients shaded all painful body areas on body pain diagrams. Dolorimetry was used for TP evaluations. PRNA was assessed with the Medical College of Virginia Pain Questionnaire. Hierarchical linear regression was used to test the association of SLAP, TPs, and PRNA with clinical pain intensity. FM patients' mean visual analogue scale rating (0 to 100) of usual clinical pain was 50.1. Mean SLAP, TP count, and PRNA were 11.4, 16.0, and 44.3, respectively. Hierarchical linear regression analysis identified SLAP, TP count, and PRNA as independent predictors of clinical pain that accounted for 45% of the variance in clinical pain intensity ratings in FM patients. Consistent with the literature, TP count predicted only a small part (4%) of this variance. Our statistical model of body pain areas and negative affect predicts a large portion of the variance of pain intensity in FM. This result suggests that the extent of pain areas and negative emotions are uniquely associated with clinical pain intensity in FM. PERSPECTIVE: The number of painful body areas obtained by body pain diagrams is a better predictor of clinical pain intensity than TPs in FM patients. The combination of painful body areas, TP counts, and PRNA predicts 45% of the clinical pain intensity of FM patients. This finding might be useful for clinical evaluations of FM patients.

Adult↗
PubMed2006

Fracture of the occipital condyle caused by minor trauma in child.

We report a case of fractured occipital condyle caused by minor trauma accompanied by light pain on palpation at the lateral cervical trigonum. A 15-year-old boy complained of nuchal pain, particularly pain on palpation at the left lateral cervical trigonum in the absence of neurologic deficits after head deceleration trauma. Computed tomography demonstrated a unilateral nonluxated fracture of the occipital condyle. Owing to consequent immobilization by means of cervical orthosis, pain disappeared after the first 48 hours. Follow-up examination 4 weeks later showed no neurologic deficits. The boy had no severe impairment of movements at the cervical spine.

Accidental Falls↗
PubMed2005

Risk factors for stillbirth and foetal mummification in four Brazilian swine herds.

The objective of this study was to identify the risk factors of stillbirth and foetal mummification in 565 farrowings of four commercial pig farms in Brazil. Stillborn piglets were observed in 31.3% of the litters and the stillborn risk was 5.6%. Mummified foetuses occurred in 42.1% of the litters and the mummification risk was 3.4%. The potential risk factors were included in multivariable logistic regression models as categories: herd (1-4); parity (1, 2-5 and >5); litter size (<10, 10-12 and >12 piglets); farrowing length (< or =3 or >3h); presence of mummified foetuses (yes or no); farrowing induction (yes or no); use of oxytocin (yes or no); use of vaginal palpation (yes or no); body condition score (<3, 3 and > or =4), and placental production index (PPI) (</=5 or >5) which was measured as the ratio of total foetal weight to total placental weight. Duration of farrowing and use of farrowing induction, oxytocin or vaginal palpation were not included in the model that investigated the risk factors of foetal mummification. Two models were used to investigate the risk factors of stillbirth, one with and the other without the inclusion of farrowing length. When compared to sows of parity 2-5, sows of parity >5 had 1.7- and 1.6-times higher odds (P<0.05) for stillbirth in the models with and without the inclusion of farrowing length, respectively. In both models, sows with more than 12 piglets/litter had 3.6-times higher odds of stillbirth occurrence compared to sows with less than 10 piglets (P<0.05). Sows with prolonged farrowing (>3h) had 2.0-times higher odds of stillbirth occurrence than sows with short farrowing (P<0.05). Sows with more than 12 piglets/litter had 14.5-times higher odds of mummification compared to sows with less than 10 piglets (P<0.05). Sows of parities 1 and >5 had 3.5- and 2.0-times, respectively, higher odds of mummification in comparison to sows of parity 2-5 (P<0.05). Sows with low PPI had 1.7-times higher odds of mummification compared to those with high PPI (P<0.05). A large litter, a high-parity and a prolonged farrowing increased the risk of stillbirth. The probability of having a mummified foetus was increased in very young and older sows, when having a large litter and a litter with a less efficient placenta.

Abortion, Missed↗
PubMed2004

Determination of heart rate in the baby at birth.

The International Liaison Committee on Resuscitation (ILCOR) publishes guidelines on neonatal resuscitation, which are evidence-based where possible. Initial assessment of heart rate, breathing and colour is an essential part of newborn resuscitation and the guidelines state that heart rate may be assessed using a stethoscope, or palpating the umbilical, brachial or femoral pulse. This study aimed to assess the most effective method(s) of heart rate assessment in the newborn baby. Healthy term newborn babies were randomised to femoral, brachial or cord pulse assessment, within 5min of birth. The heart rate (beats per minute (bpm)) was categorised as either not detectable, <60, 60-100 or >100bpm. In all cases, the heart rate was >100bpm when assessed using a stethoscope. The femoral pulse identified the heart rate as >100bpm in 20%, <100bpm in 35% and undetectable in 45%. The brachial pulse identified the heart rate >100bpm in 25%, <100bpm in 15% and undetectable in 60%. Umbilical cord palpation was more reliable with 55% identified as >100bpm, 25% <100bpm and 20% undetectable. This data suggests that in healthy newborn babies, brachial and femoral pulses are not reliable for determining heart rate. Umbilical pulsations must not be relied upon if low or absent. In assessing heart rate in newborn resuscitation only the stethoscope is likely to be completely reliable. In the absence of a stethoscope only the umbilical pulse should be used with an awareness of its limitations.

Apgar Score↗
PubMed2004

Endometrial cytology and ultrasonography for the detection of subclinical endometritis in postpartum dairy cows.

The objectives of the study were to validate the use of endometrial cytology (EC) and ultrasonography (US) to diagnose subclinical endometritis in clinically normal postpartum dairy cows, and to measure the impact of subclinical endometritis on reproductive performance. Holstein cows from two dairy farms were examined at Visit 1 (V1) at 20-33 days in milk (DIM), and clinically normal cows (n = 228), based on the absence of abnormal discharge on external inspection and vaginoscopy, were selected. The reproductive tract of selected cows was evaluated by transrectal palpation, US and EC. All cows in the study were re-examined at Visit 2 (V2) at 34-47 DIM (2 weeks after V1) and were subsequently followed for a minimum of 8 months (until pregnant or culled). Survival analysis was used to derive a case definition of subclinical endometritis, based on factors associated with decreased relative pregnancy rate. Positive EC at V1 (>18% polymorphonuclear leukocytes; PMN) or fluid in uterus at V1 (FIU1) were associated with a significant reduction in the relative pregnancy rate and identified cows with subclinical endometritis. Similarly, a positive EC (>10% PMN) at V2 or fluid in the uterus at V2 (FIU2), identified cows with subclinical endometritis. Cows with subclinical endometritis at V1 and at V2 had a relative pregnancy rate of 41 and 51% (hazard ratio for pregnancy of 0.59 and 0.49), respectively, compared to cows without subclinical endometritis. Given EC or US findings, no diagnostic criteria based on transrectal palpation of the uterus had predictive value for risk of pregnancy. In conclusion, subclinical endometritis, diagnosed by EC or US, was associated with reduced relative pregnancy rate.

Animals↗
PubMed2006

Signs of bruxism and temporomandibular disorders among psychiatric patients.

OBJECTIVES: To investigate the prevalence of bruxism and signs of temporomandibular disorders (TMDs) among psychiatric patients compared with a healthy population and to assess the effect of psychiatric medications on the parameters studied. STUDY DESIGN: Subjects included 77 psychiatric patients under treatment at 2 psychiatric hospitals in Israel and 50 healthy individuals (control). One experienced calibrated examiner performed the clinical examination (presence of bruxism and signs of TMD). RESULTS: Abnormal attrition was evident in 46.8% of the psychiatric patients compared with 20% in the controls (P < .005). Significant differences between groups were apparent for mean muscle sensitivity to palpation, joint sensitivity to palpation, and range of mouth opening. There were no differences between groups in the prevalence of joint clicks and no association between time of receiving treatment with dopamine antagonists (or any other psychotropic drugs) and TMD signs and symptoms. CONCLUSION: The higher prevalence of bruxism and signs of TMD in psychiatric patients is a major clinical comorbidity. Whether it is a manifestation of the abnormal central nervous system of psychiatric patients or neuroleptic-induced phenomenon deserves further attention. The exact factors that affect the pain experience in these patients should be evaluated as well.

Adult↗
PubMed2004

Efficacy of an injectable, sustained-release formulation of moxidectin in preventing experimental heartworm infection in mongrel dogs challenged 12 months after administration.

The objective of this study was to ascertain the ability of a single subcutaneous injection of a sustained-release (SR) formulation of moxidectin to protect dogs against challenge inoculation with infective Dirofilaria immitis larvae 364 days after administration. Twenty four purpose-bred adult mixed-breed dogs were grouped into three blocks of eight based on weight and sex. Saline solution (0.9% NaCl) or a moxidectin SR formulation at volumes designed to deliver 0.17 or 0.27 mg moxidectin/kg b.w. was injected subcutaneously on day 0. Throughout the post-treatment period, injection sites of all dogs were periodically examined visually and by palpation. Palpable swellings were characterized as to size, consistency and the presence of associated pain or erythema. On day 364, each dog was inoculated subcutaneously with 50 D. immitis L3. On days 510 and 511, dogs were euthanatized, and their hearts, lungs and thoracic cavities were inspected for the presence of adult heartworms. number, sex and viability of recovered heartworms were determined. The mean number of heartworms recovered from dogs that had received the saline control injection was 35.7. No heartworms were recovered from any dog treated with either 0.17 or 0.27 mg moxidectin/kg b.w. For variable periods of time following treatment, small (1-4 mm diameter), firm, subcutaneous swellings could be palpated at the injection sites of dogs treated with 0.17 or 0.27 mg moxidectin/kg b.w. These swellings contracted progressively and eventually disappeared except for the case of one animal treated with 0.27 mg/kg, in which the swelling persisted for the entire study period. At no time during the study was pain or erythema noted at the injection site of any dog, and no dog exhibited any adverse systemic reaction related to treatment. We conclude that under conditions pertaining in this study, a single subcutaneous injection of a moxidectin SR formulation at dosing rates of either 0.17 or 0.27 mg/kg b.w. can safely protect adult dogs against experimental challenge inoculation with infective heartworm larvae for a period of 12 months.

Animals↗
PubMed2006

Cross-transmission studies with Hypoderma lineatum de Vill. (Diptera: Oestridae): attempted infestation of goats (Capra hircus).

The potential for cross-transmission of Hypoderma lineatum from cattle to domestic goats (Capra hircus) was examined using artificial infestation techniques. Two routes of infestation, subcutaneous injection and dermal penetration, were used to expose goats to newly hatched first instars. Presence of antibodies and appearance of circulating antigen (hypodermin C) were evaluated at selected intervals for up to 40 weeks post-infestation. In addition, immunoblots against H. lineatum first-instar proteins were conducted using sera taken at 10 weeks post-infestation. Goats were palpated for the presence of developing larvae at sub-dermal sites beginning at week 30 pi. No developing larvae were palpated at any time, regardless of the route of infestation nor was circulating antigen detected in any infested goats. Antibodies were present at weeks 6 and 10 and week 27 pi in both infested groups. Immunoblots indicated all infested goats produced antibodies to first instar H. lineatum antigens. H. lineatum appears to be incapable of completing development in domestic goats although the transient appearance of ELISA detectable antibodies and the presence of bands on immunoblots suggests that at least some larvae survive long-enough to engender a humoural response. The host specificity of H. lineatum is discussed in light of the general concepts of host-parasite relationships of oestrids.

Animals↗
PubMed2003

The emergence of Taenia solium cysticercosis in Eastern and Southern Africa as a serious agricultural problem and public health risk.

Pig production has increased significantly in the Eastern and Southern Africa (ESA) region during the past decade, especially in rural, resource-poor, smallholder communities. Concurrent with the increase in smallholder pig keeping and pork consumption, there have been increasing reports of porcine cysticercosis in the ESA region. This article reviews the findings concerning the presence and impact of porcine cysticercosis in seven of the ESA countries. Most of the reported findings are based on surveys utilising lingual palpation and post-mortem examination, however, some also used serological assays. In Tanzania, community-based studies on porcine cysticercosis indicate a prevalence of 17.4% in the northern highlands district of Mbulu and a prevalence range of 5.1-16.9% in the southern highlands. In Kenya recent surveys in the southwestern part of the country where smallholder pig keeping is popular indicate that 10-14% of pigs are positive for cysticercosis by lingual examination. Uganda has the most pigs in Eastern Africa, most of which are kept under smallholder conditions. Preliminary surveys in 1998 and 1999 at slaughterhouses in Kampala indicated a prevalence of porcine cysticercosis between 0.12 and 1.2%, however, a rural survey in northern Uganda in 1999 indicated 34-45% of pigs slaughtered in selected villages were infected. Additionally, a new survey of 297 pigs slaughtered in Kampala in 2002 indicated that pigs from the central region of the country were negative for cysticercosis while 33.7% of the pigs coming from the rural Lira district in the north were positive. Interestingly 8 piglet foetuses removed from an infected slaughtered sow coming from Lira district were all found to harbour cysts of T. solium providing evidence of congenital transmission of porcine cysticercosis. In Mozambique, abattoir records indicate that porcine cysticercosis is present in all provinces of the country. A serological survey on pigs in rural Tete Province found 15% of pigs positive. In Zimbabwe, a retrospective study in official abattoirs around the country from 1994 to 2001 reported a mean prevalence of 0.34% which is in contrast to a post-mortem survey in 1999, which showed that the prevalence of porcine cysticercosis in rural west Zimbabwe where smallholder pig keeping is popular was 28.6%. In Zambia, abattoir records reported porcine cysticercosis in six of the nine provinces. Routine meat inspection of 1316 pigs at a slaughter slab in Lusaka showed that 20.6% of the pigs had cysticercosis whereas serological testing of 874 pigs at the same abattoir indicated that 56.6% were found to have circulating antigens of Taenia solium. Field surveys based on lingual palpation in Southern and Eastern Provinces of Zambia revealed prevalences of 8.2-28.4 and 5.2%, respectively. South Africa has the largest number of pigs in Southern Africa and cysticercosis has been recognised as a problem in the country for many decades. There is strong evidence supporting the high prevalence of neurocysticercosis infecting humans from resource-poor areas of the country where pigs are being raised under smallholder conditions. In spite of this community-based surveys on porcine cysticercosis have never been conducted in South Africa and the last slaughterhouse survey was conducted nearly 40 years ago. The prevalences of porcine cysticercosis found in these ESA countries rank among the highest in the world and the disease is emerging as an important constraint for the nutritional and economic well being of resource-poor smallholder farming communities. The current findings suggest the widespread presence of human tapeworm carriers and thus a high risk of human cysticercosis in both rural areas and urban centres in the ESA region. More research is required in the region to assess the extent and public health and economic impact of T. solium infection in order to determine whether and what prevention and control efforts are needed.

Abattoirs↗
PubMed1992

Contribution of routine intraoperative completion arteriography to early infrainguinal bypass patency.

To determine the clinical utility of routine intraoperative completion arteriography, we prospectively evaluated 214 consecutive infrainguinal bypass grafts (209 reversed-vein and 5 polytetrafluoroethylene grafts) performed from July 1987 to August 1991. Visual inspection, pulse palpation, and continuous-wave Doppler examination were performed in all cases. At least 1 completion arteriogram was obtained in 213 cases (99%). The bypasses were to the popliteal artery in 130 cases and to the tibial or pedal arteries in 84 cases. Graft patency was confirmed at 30 days in all patients by ankle-brachial index determinations (greater than 0.2 increase) and duplex scan-derived peak-systolic flow velocities (greater than 45 cm/s). Significant technical problems requiring revision were identified in 18 grafts (8%), including 6% of popliteal grafts and 12% of tibial/pedal grafts. Only three of these problems were suspected by pulse palpation or continuous-wave Doppler examination. The intraoperative angiographic findings leading to revision included distal anastomotic stenoses (n = 6), distal arterial disease requiring sequential bypass (n = 4), mid-graft valvular or branch ligature stenoses (n = 4), distal arterial thrombosis (n = 2), and graft kink or twist (n = 2). Thirty-day primary patency was 99% (129 of 130) for femoropopliteal grafts and 93% (78 of 84) for femorodistal grafts. Secondary patency was 100% (130 of 130) and 96% (81 of 84), respectively. Primary patency was 89% (16 of 18) for those grafts that required intraoperative revision based on arteriographic findings. We conclude that routine completion arteriography is an excellent method of ensuring the intraoperative technical adequacy of infrainguinal bypass. The test is easy to perform, reproducible, and should be considered the "gold standard" for intraoperative bypass assessment. Prior to adopting angioscopy or duplex scanning for intraoperative surveillance, randomized, controlled validation studies against angiography should be performed.

Aged↗
PubMed2000

[Surveillance after treatment of differentiated thyroid cancers].

UNLABELLED: The prognosis of differentiated thyroid carcinoma mainly depends on the quality of the initial treatment and on early detection and management of any recurrences. STUDY AIM: The aim of this retrospective study was to assess the modalities and duration of surveillance in these patients according to an original classification based on the initial extent of the tumour. PATIENTS AND METHOD: The modalities of detection of local recurrences and metastases and the date of the latest recurrences were assessed in a series of 509 patients with a mean follow-up of 8.2 years (range: 1 to 25 years). Most patients were treated by total thyroidectomy, followed by a therapeutic dose of radioactive iodine. The other patients with a small localized carcinoma underwent partial thyroidectomy without radioactive iodine. Patients were divided into four groups on the 7th postoperative month after follow-up scintigraphy and thyroglobulin assay: group I: microcancers (n = 117), group II: cancer without lymph node involvement or metastasis and normal thyroglobulin divided into IIA, age < 45 years (n = 100) and IIB, age > 45 (n = 94), group III: cancer with lymph node involvement and normal thyroglobulin (n = 102), group IV: high-risk cancers with metastases or regional extension other than lymph node extension or thyroglobulin > 3 micrograms/L (n = 96). RESULTS: Cancer-dependent actuarial survival rates for groups I, IIA, IIB, III, IV were 100%, 100%, 96%, 100%, and 73% at 10 years and 100%, 100%, 92%, 100%, and 86% at 15 years, respectively. Local or metastatic recurrences were sometimes detected by a single follow-up examination, while the other examinations were negative: cervical palpation, thyroglobulin assay, iodine scintigraphy, chest X-rays. The latest recurrences were observed at 12 years in groups I and IIA and at 16 years in groups IIB, III, and IV with normal thyroglobulin. CONCLUSION: This study confirms the importance of weaning thyroglobulin assays and scintigraphy which must be repeated every 5 years. Cervical palpation, thyroglobulin assay without weaning, chest X-rays may also detect recurrences. Duration of follow-up must be adapted to the initial extension and subsequent course: 15 years in groups I and IIA, 20 years in groups IIB, III, and IV with normal thyroglobulin, for at least 10 years after each recurrence, and life-long in the case of progression and thyroglobulin > 3 micrograms/L. Patients must be informed about the duration of follow-up at the 7th month when the definitive classification can be established and continuity of this follow-up must be documented in a special register.

Adult↗
PubMed1989

Intraoperative ultrasonic imaging of the ascending aorta.

Embolization of atherosclerotic material from the ascending aorta resulting from placement of cannulas or vascular clamps is a major cause of stroke during cardiac surgical procedures. In an effort to identify atherosclerotic disease of the ascending aorta which might predispose to embolization, intraoperative B-mode ultrasonography was performed in 50 patients. The aorta was imaged from the aortic annulus to the origin of the innominate artery in transverse and longitudinal views. The results were compared with visual and tactile examination of the aorta for the presence of atherosclerosis. Ultrasonic imaging demonstrated atherosclerotic disease in 29 patients (58%). Visual examination and palpation identified atherosclerosis in 12 patients (24%). The amount and location of plaque was sufficient to require a change in the site of arterial cannulation or the proximal vein graft anastomoses or the technique of cardiopulmonary perfusion in 12 of the 50 patients (24%). All 12 patients were 65 years of age or older. Palpation underestimates the presence of atherosclerotic disease in the ascending aorta. Intraoperative ultrasonography accurately identifies patients with atherosclerotic disease of the ascending aorta. This allows the surgeon to modify cannulation, perfusion, and operative techniques to reduce the risk of perioperative stroke due to the embolization of atherosclerotic debris from the ascending aorta.

Aged↗
PubMed2000

The relation between lower extremity strength and shoulder overuse symptoms: a model based on polio survivors.

OBJECTIVE: To determine the relation between lower extremity weakness and shoulder overuse symptoms among polio survivors. We predicted that individuals with moderate weakness in their leg extensor muscles would use their arms to help compensate for this weakness and would be at high risk for developing symptoms of shoulder overuse. DESIGN: A cohort study of polio survivors recruited from the Einstein-Moss Postpolio Management Program (Philadelphia), the community, and the surrounding region. SETTING: A research laboratory at Moss Rehabilitation Research Institute, Philadelphia, PA. PARTICIPANTS: One hundred ninety-four polio survivors. Demographic and medical history data, symptom data, and strength data were obtained for each. MAIN OUTCOME MEASURES: Presence or absence of shoulder symptoms and ratings of pain by visual analogue scale were recorded. Strength was measured using a hand-held dynamometer and manual muscle testing. RESULTS: Shoulder symptoms could be grouped into two distinct clusters based on the type of testing used for assessment. Symptoms elicited by palpation were present in 26% of the subjects and were strongly related to knee extensor strength and weight. These symptoms were more common among women than men (42% and 10%, respectively). Symptoms elicited by resistance tests were present in 33% of the subjects and were seen with equal frequency in both sexes. These symptoms were also related to lower extremity strength, but the specific relationship was not as clear as for the palpation-related symptoms. CONCLUSIONS: Lower extremity weakness predisposes individuals to shoulder overuse symptoms. Sex and body weight are contributing factors. These results may be generalized to other populations with lower extremity weakness, including the elderly.

Adult↗