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PubMed2002

[Extreme cardiomegaly].

We report the case of 65 year old male patient with extreme heart enlargement. The patient was admitted to the hospital due to acute bleeding from varicose veins of the cardia. The endoscopic treatment by means of hemostatic clips and fibrine was successful. However the patient died two weeks later without having any complaints. The heart of the patient weighed 1350 g. Multiple coronary bypasses were found. There was also a recent myocardial infarction. The adoptive pathophysiologic changes accompanying extreme cardiomegaly are discussed. Numerous cases have been recorded of unusually large hearts, which in a few instances have even exceeded the one reported here. The analysis of observations reported in the literature reveals that rheumatic myocarditis and syphilitic aortitis were responsible for the majority of cases with extreme cardiac hypertrophy. Valvular deformities were also frequent findings. The occurrence of extreme cardiac enlargement in an elderly patient associated with multiple coronary bypasses has been not described so far.

Acute Disease↗
PubMed1998

Hyperthermic isolated limb perfusion with tumour necrosis factor-alpha and melphalan as palliative limb-saving treatment in patients with locally advanced soft-tissue sarcomas of the extremities with regional or distant metastases. Is it worthwhile?

The management of locally advanced soft-tissue sarcomas (STS) of the extremities in patients who present with regional and/or distant metastases at the time of diagnosis remains an unsolved problem. The recently introduced hyperthermic isolated limb perfusion (HILP) with tumour necrosis factor (TNF)-alpha and melphalan has been shown to be an effective limb-saving treatment modality, but is it feasible to use this approach with palliative intent? Nine patients, five men and four women, mean age 41 (range 21-75) years with locally advanced extremity STS and regional (n = 3) or distant (n = 6) metastases at the time of diagnosis, underwent a palliative HILP with TNF-alpha and melphalan. Resection of the residual tumour mass was performed, if possible, 6-8 weeks after HILP. Treatment-related morbidity, local recurrences and the limb salvage rate were scored during follow-up. The median follow-up period was 9 (range 3-39) months (seven deaths, but six were due to metastatic disease). Treatment-related morbidity was seen after 3 of the 10 perfusions performed (30%) and consisted of superficial wound infections (n = 2), blow out of the external iliac artery followed by an iliac thrombosis (n = 1). Two patients showed local recurrences after HILP followed by resection of the residual tumour mass, and one patient showed local progression after two perfusions without resection. Limb salvage was achieved in 8 patients (89%). Therefore, HILP with TNF-alpha and melphalan for locally advanced extremity STS in patients with disseminated disease is feasible. The local management of locally advanced extremity STS should be the same whether the intent is curative or palliative, as the local control improves the quality of life.

Adult↗
PubMed1998

Acute hormone responses to heavy resistance lower and upper extremity exercise in young versus old men.

Acute hormone responses of growth hormone (GH), total and free testosterone (TT and FT) and cortisol (C) to heavy resistance isometric exercise were examined in ten young men [YM 26.5 (SD 4.8) years] and ten old men [OM 70.0 (SD 3.7) years]. Loading conditions of the same relative intensity were created for the lower and upper extremity actions separately as well as for both of them together lower extremity exercise (LE; knee extension), upper extremity exercise (UE; bench press extension), and lower and upper extremity exercise (LUE) performed simultaneously in a seated position. Single voluntary maximal isometric actions lasting for 5 s were performed repeatedly for ten repetitions (with a recovery of 5 s) for a total of four sets. The recovery time between the sets was 1 min. Each exercise led to large acute decreases in maximal isometric force in both YM (P < 0.001) and OM (P < 0.001) ranging from 41% to 26% with no significant differences between the groups. Serum GH concentrations increased in both YM (P < 0.05-0.01) and OM (P < 0.05) but the postexercise value in YM during LE was greater (P < 0.05) than for OM. The TT increased (P < 0.01-0.001) in YM in all three exercises, while in OM the increase occurred only during LE (P < 0.01). The exercises led to increases in FT in YM (P < 0.05 for LE and LUE), while in OM the increase occurred only during LUE (P < 0.05). The pre and postexercise FT were greater in YM (P < 0.001) than in OM. No significant changes occurred in C either in YM or in OM. The blood lactate concentrations increased during the exercises in both YM (P < 0.001) and OM (P < 0.05-0.001) but the postexercise values during LE and LUE in YM were greater (P < 0.05) than in OM. The present data would indicate that the responses of GH, TT and FT to heavy resistance isometric exercise are lowered with increasing age. The reduced acute hormone response together with the lowered basal values in FT in the older men compared to the young men may indicate decreased anabolic effects on muscles and may explain in part the loss of muscle mass and strength associated with aging.

Adult↗
PubMed2002

A combination of heparin and an intermittent pneumatic compression device may be more effective to prevent deep-vein thrombosis in the lower extremities after laparoscopic cholecystectomy.

BACKGROUND: The purpose of this study was to clarify the effect of a combination of heparin and an intermittent pneumatic compression device on thrombogenesis and platelet activation in the upper and lower extremities after laparoscopy. METHODS: A blinded study was performed on 30 patients. Patients were randomly injected with either heparin or physiological saline solution (PSS) subcutaneously. The intermittent compression boot was used during surgery. Plasma D-dimer (D-D), a marker of thrombogenesis, and b-thromboglobulin (b-TG), a marker of platelet activation, were measured in the upper and lower extremities. RESULTS: In the heparin group, D-Ds in the upper and lower extremities increased significantly 24 h after surgery, but they were significantly lower than those of the PSS group. b-TG in the lower extremities of patients in the PSS group increased significantly 24 h after surgery. CONCLUSION: A combination of low-molecular-weight heparin and intermittent pneumatic compression may be more effective to prevent deep-vein thrombosis in the legs.

Adult↗
PubMed2001

Outcomes analysis of laparoscopic cholecystectomy in the extremely elderly.

BACKGROUND: A study was conducted to determine whether extremely elderly patients, age 80 years or older, were at higher risk for adverse outcomes from laparoscopic cholecystectomy than patients younger than 80 years. METHODS: Laparoscopic cholecystectomy was attempted in 421 patients age 65 years or older from 1989 through 1999. The patients were divided into two groups: group 1 (age 65-79 years; n = 351) and group 2 (age, 80-95 years; n = 70). A prospective database was analyzed for mean +/- standard deviation and using Student's t-test and chi-square analysis. RESULTS: Advanced age (group 2) was associated with a higher mean American Society of Anesthesiology (ASA) class (2.7 vs 2.3; p < 0.001) and a greater incidence of common bile duct stones (43% vs 26%; p < 0.01), as compared with those of younger age (group 1). Mean operative times in group 2 were 106 +/- 45 min as compared with 96 +/- 38 min in group 1, a difference that is not significant. The extremely elderly (group 2) had a four-fold higher rate of conversion to open cholecystectomy (16% vs 4%) and a longer mean postoperative hospital stay (2.1 vs 1.4 days). Grades 1 and 2 complications also were more common in group 2: grade 1: group 1, 8.8% vs group 2, 17% and grade 2: group 1, 4.3% vs group 2, 7.1% (p < 0.05). One patient in group 1 had a myocardial infarction 13 days postoperatively, and two deaths occurred in the extremely elderly group within 30 days postoperatively. CONCLUSIONS: Laparoscopic cholecystectomy in the extremely elderly is associated with more complications and a higher rate of conversion to open cholecystectomy than in elderly individuals younger than 80 years. The greater chance of encountering a severely inflamed or scarred gallbladder and common bile duct stones as well as increasing comorbidities likely account for these differences in outcome.

Age Distribution↗
PubMed2005

Extremely well differentiated adenocarcinoma of the stomach diagnosed preoperatively as esophageal achalasia: report of a case.

Extremely well differentiated primary gastric adenocarcinoma, which accounts for less than 0.2% of all gastric cancers, is associated with a better prognosis than other types of differentiated adenocarcinoma. Among 2070 gastric carcinomas, diagnosed between 1983 and 2002 at Fukuoka University Hospital and Hamanomachi Hospital, there were three cases of primary extremely well differentiated adenocarcinoma. We report the clinicopathological details of one case of primary gastric extremely well differentiated adenocarcinoma. A 57-year-old man was reffered to our hospital for investigation and treatment of a gastric tumor. Physical and laboratory examinations revealed no abnormalities except for diabetes mellitus. Radiological, endoscopic, and imaging examinations showed an esophageal achalasia-like stenotic lesion. The surface mucosa consisted of almost normal epithelium without any signs of malignancy. Macroscopically, the surgical specimen contained a submucosal tumor, and histological examination revealed extremely well differentiated adenocarcinoma. Although this type of carcinoma is very rare, it should be considered in the differential diagnosis of esophageal and gastric mucosal lesions.

Adenocarcinoma↗
PubMed2003

Risk factors associated with infection of lower extremity revascularization: analysis of 365 procedures performed at a teaching hospital.

Infection of arterial reconstructions is associated with high rates of mortality and limb loss despite optimal treatment. Lower extremity revascularization procedures performed at a teaching hospital were reviewed to identify risk factors associated with wound infection. Medical records, postoperative infection surveillance forms, and a computerized vascular registry for lower extremity revascularizations involving a common femoral or more distal artery during a 3-year period were reviewed. There were 335 bypass operations (184 femoral-distal, 36 popliteal-distal, 17 aortofemoral, 13 femorofemoral, 11 axillofemoral, 74 graft revisions) and 30 other vascular procedures (arterial thrombectomy or endarterectomy). Factors analyzed included age, gender, diabetes mellitus, dialysis dependence, malnutrition, obesity, ipsilateral foot ulcer or gangrene, separate admissions within the month preceding surgery, length of hospital stay before surgery, length of operation, wound hematoma requiring reoperation, vein or prosthetic grafts, or redo surgery. Risk factors commonly thought to increase wound infection following lower extremity revascularizations, such as diabetes, obesity, renal failure, redo surgery, and prosthetic grafts, did not predict this complication in this series. Given the correlation of operative time with infection, efforts to minimize operative time by "double-teaming" staff participation in teaching cases may decrease infection rates, although this is speculative. Vascular services should institute strategies to ensure that appropriate prophylactic antibiotics are administered in a timely fashion before lower extremity revascularizations.

Aged↗
PubMed2001

Has arteriography gotten a bad name? Current accuracy and morbidity of diagnostic contrast arteriography for aortoiliac and lower extremity arterial disease.

Recently, contrast arteriography has been challenged as the diagnostic test of choice for lower extremity arterial disease because of its associated morbidity and questionable accuracy in identifying suitable distal outflow arteries. The purpose of this report was to analyze our experience to determine if these concerns were justified. We reviewed 500 consecutive contrast arteriograms performed at our hospital for aortoiliac and lower extremity arterial disease between November 1994 and November 1998. Arteriograms performed in conjunction with therapeutic procedures such as balloon angioplasty, stent placement, and thrombolysis were excluded, leaving 244 diagnostic cases for analysis. Forty-six percent (112) of patients had diabetes mellitus, 14% (34) had an elevated baseline serum creatinine (> or =1.5 mg/dL), and an additional 7% (17) were dialysis dependent. Radiologists limited contrast volume by imaging only the symptomatic extremity when appropriate and using digital subtraction techniques as indicated. Our results showed that diagnostic contrast arteriography is associated with an acceptably low morbidity, has an accuracy that is unlikely to be surpassed by other modalities, and remains the diagnostic test of choice for lower extremity arterial disease.

Adult↗
PubMed1997

Asymptomatic carotid artery stenosis screening in patients with lower extremity atherosclerosis: a prospective study.

Eighty-nine male veterans presenting to a vascular surgery clinic with symptomatic lower extremity atherosclerosis were prospectively screened by duplex scan for asymptomatic carotid artery stenosis (CAS). Their chief complaint was: claudication (90%), rest pain (6%), and ischemic ulcer or gangrene (4%). The mean ankle-brachial index (ABI) was 0.77. Twenty-five CAS > 50% were detected in 18 (20%) patients. Twelve CAS > 75% were detected in 11 (12%) patients. There was no difference between patients with and without CAS > 50% with regards to mean ABI, history of angina, diabetes, hypertension, prior coronary artery bypass, or history of smoking. Carotid bruit was associated with ipsilateral CAS > 50% [p < 0.0001, sensitivity (52%), specificity (88%), positive predictive value (41%), negative predictive value (92%)]. As a result of the screening, eight elective carotid endarterectomies have been performed to date in six (7%) patients with one transient twelfth cranial nerve paresis as the only postoperative complication. We conclude that: (1) male patients presenting with symptomatic lower extremity atherosclerosis have a 20% prevalence of asymptomatic CAS > 50%, (2) there is no correlation between the degree of lower extremity ischemia and CAS > 50%, (3) carotid bruit is significantly associated with CAS > 50%, but has a low sensitivity, and (4) routine CAS screening should be considered for all male patients with symptomatic lower extremity atherosclerosis regardless of whether a bruit is present.

Aged↗
PubMed2006

A silent polymorphism in the PER1 gene associates with extreme diurnal preference in humans.

The three PERIOD proteins form a major negative feedback component of the molecular mechanism governing the periodicity of the vertebrate circadian clock. Genetic variations within the human PER2 and PER3 genes have been linked with diurnal preference and disorders of sleep timing. We screened the coding region of PER1, as well as the 5'- and 3'-untranslated regions and the promoter region, for polymorphisms. The T2434C polymorphism in exon 18, a synonymous substitution, associated with extreme diurnal preference. The C allele was more frequent in subjects with extreme morning preference (frequency=0.24) than in subjects with extreme evening preference (frequency=0.12). No significant association was observed between either allele and delayed sleep phase syndrome. This polymorphism may have a direct effect on RNA translatability, or be in linkage disequilibrium with another polymorphism which affects PER1 expression at the DNA, RNA, or protein level. This is the first reported association between a PER1 polymorphism and extreme diurnal preference. Functionally important polymorphisms in PER1 are rare, which may indicate that it is subject to more stringent selection pressure than the other PER genes.

3' Untranslated Regions↗
PubMed2004

The indications for and the prognostic significance of amputation as the primary surgical procedure for localized soft tissue sarcoma of the extremity.

BACKGROUND: The indications for primary amputation of a localized soft tissue sarcoma (STS) of the extremity are not well defined in the literature. However, it has been suggested that patients who require an amputation to treat an STS are at increased risk for developing metastases. We categorized the main indications for primary amputation in our patient population and compared their oncological outcome with the outcome of patients who underwent limb-sparing surgery. METHODS: 413 consecutive patients treated surgically at a single center for primary, nonmetastatic, deep, intermediate-, or high-grade STS of the extremity were reviewed. Indications for primary amputation were identified. Demographics and outcomes were compared between the amputation and limb-salvage groups. Multivariate Cox model analysis was used to identify independent risk factors for systemic relapse. RESULTS: Twenty-five (6%) of 413 patients with STS underwent primary amputation: they were older (P = .05), had larger tumors (P = .001), and had a significantly greater risk of developing metastatic disease than patients who underwent limb-sparing procedures (P = .008). However, multivariate analysis demonstrated that the only independent predictors of systemic relapse were tumor size (P = .0001) and tumor grade (P = .0001). Primary amputation was not an independent risk factor for metastatic disease. CONCLUSIONS: The decision to perform a primary amputation for an STS of the extremity is based on the location and local extent of the tumor, and the expected function of the extremity after tumor resection. The higher risk of metastases for patients who require primary amputation is accounted for by independent risk factors associated with their tumors--predominantly large tumor size.

Adolescent↗
PubMedDate not supplied

Modified staging system for extremity soft tissue sarcomas.

BACKGROUND: The establishment of a universally acceptable staging system for soft tissue sarcomas has been hampered by the low incidence, various grading systems, and lack of consensus regarding the value of different prognostic factors. We aimed to evaluate prognostic factors in patients with extremity soft tissue sarcomas and to test the validity of the AJCC/UICC staging system. METHODS: Prospectively collected data from 316 previously untreated patients with primary extremity soft tissue sarcomas treated at a single institution between 1989 and 1995 were studied. The influence of clinical and pathological factors on local recurrence, distant metastasis, and disease-specific survival was analyzed by univariate and multivariate techniques. RESULTS: Large tumor size and high histological grade were independent adverse prognostic factors for distant metastasis. Large size, high grade, and positive microscopic surgical margins were independent adverse prognostic factors, and liposarcoma histology was an independent favorable prognostic factor for disease-specific survival. Within each histological grade, there was a progressive decline in survival with increasing tumor size, as reflected by an almost linear increase in hazard ratios. Similarly, there was a progressive fall in survival with increasing grade within each size group (<5 cm, 5 to 10 cm, 10 to 15 cm, and > 15 cm). AJCC staging did not correlate well with prognosis. Survival for intermediate-grade tumors smaller than 5 cm (stage IIA) was better than that for low-grade tumors larger than 5 cm (stage IB) (86% vs. 73%). Survival for high-grade tumors smaller than 5 cm (stage IIIA) was better than that for intermediate-grade tumors larger than 5 cm (stage IIB) (72% vs. 57%). A modified staging system was formulated based on the additive influence of size and grade on the estimated hazard ratios for disease-specific survival, as follows: stage IA, G1T1; stage IB, G1T2 or G2T1; stage IIA, G1T3 or G2T2 or G3T1; stage IIB, G1T4 or G2T3 or G3T2; stage IIIA, G2T4 or G3T3; stage IIIB, G3T4; and stage IV, M1 (G1, G2, G3 = low, intermediate, and high grade; T1, T2, T3, T4 = tumor size < 5 cm, 5-10 cm, 10-15 cm, and > 15 cm, respectively). The 5-year disease-specific survivals of stages IA, IB, IIA, IIB, IIIA, and IIIB were 100%, 83%, 74%, 61%, 39%, and 18%, respectively. The 5-year disease-specific survival for stages I, II, III, and IV were 90%, 67%, 31%, and 6% respectively. The survival difference between each stage was statistically significant (P < .001). CONCLUSION: Histological grade and tumor size are equally important determinants of distant metastases and survival. The AJCC/UICC staging system is based primarily on the grade of the tumor, with size used to subgroup each stage. A staging system for extremity soft tissue sarcomas with equal emphasis on grade and size is proposed that correlates extremely well with prognosis.

Adolescent↗
PubMed2006

Survival and longevity improvements at extreme ages: an interpretation assuming an ecological stress theory of aging.

The primary determinant of survival during aging is the energetic efficiency and metabolic stability required to counter the accumulated internal and external stresses of a lifetime. Hence, genetically stress-resistant individuals should accumulate with age; frailer, less robust, less energetically efficient and less metabolically stable individuals should succumb in parallel. This selection process implies the accumulation of energetically efficient stress-resistant individuals with age to the exclusion of all others. High additive genetic variability for survival is expected under extreme circumstances, however there is limited evidence close to the absolute extremes of life that diversity may fall. At this stage, only a few highly adaptive, oxidative-stress-resistant and presumably somewhat homozygous genotypes should remain. Therefore a fall in variability may occur in these outliers, when frailer individuals are unable to cope and are eliminated at extreme ages. This process could provide an explanation of mortality-rate declines in domesticated (laboratory) and free-living populations of the extremely old. That is, mortality-rate declines may be an expectation from a process of genetic sorting resulting from the accumulated responses to environmental stress over time. Application of an ecological stress theory of aging, which combines the external stresses to which organisms are exposed with internal stresses, appears to be the prerequisite for this conclusion.

Aging↗
PubMed2006

Evaluating function and health related quality of life in patients treated for extremity soft tissue sarcoma.

OBJECTIVE: To evaluate how functional disability impacts on health related quality of life (HRQOL) of patients with extremity soft tissue sarcoma (STS) at 1 year post-surgery. DESIGN AND SETTING: Survey of extremity STS patients pre-surgery and one-year post-treatment. PARTICIPANTS: 100 participants who were treated for extremity STS between 2001 and 2003 at four Canadian hospitals. Patients were over 16 years, non-metastatic at diagnosis, and had limb salvage surgery. OUTCOME MEASURES: Musculoskeletal Tumor Society Rating Scale (MSTS), a measure of impairment; Toronto Extremity Salvage Score (TESS), a measure of activity limitations; Reintegration to Normal Living Index (RNL), a measure of participation restrictions; and EQ-VAS, a measure of HRQOL. RESULTS: After adjusting for demographic and clinical variables, impairment explained 54%, activity limitations explained 48%, and participation restrictions explained 61% of the variation in HRQOL. After adjustment, when all three functional measures were included in the model, only participation restrictions had a significant impact on HRQOL explaining 63% of the variation. CONCLUSION: Impairment and activity limitations affect the daily activities a patient can perform, but it is the restriction in participation of life roles and situations that has the greatest effect on patient's HRQOL.

Activities of Daily Living↗
PubMed1989

Therapy of lower extremity infections with ciprofloxacin in patients with diabetes mellitus, peripheral vascular disease, or both.

PURPOSE: Lower extremity infections in the presence vascular insufficiency are difficult and costly to treat. Few well-controlled clinical trials evaluating the management of these infections exist. We decided to investigate the ability of a new fluoroquinolone, ciprofloxacin, to reduce the morbidity associated with these infections and the amount of in-hospital time required for the administration of antibiotic therapy. PATIENTS AND METHODS: Forty-eight patients with peripheral vascular disease (46 with diabetes mellitus) who presented to the hospital for treatment of lower extremity infections were randomized in a blinded fashion to receive oral ciprofloxacin at a dosage of either 750 mg or 1,000 mg twice daily. Patients with osteomyelitis received three months of therapy and those with infections limited to soft tissues, three weeks of ciprofloxacin treatment. All subjects were followed for one year. RESULTS: One patient received an amputation 24 hours after enrollment, and two patients discontinued therapy after 20 and 34 days because of adverse effects and were not evaluable. At the one-year follow-up, 27 of the 45 (60 percent) evaluable patients had a fully successful outcome defined as not requiring either repeat antimicrobial therapy for their initial infection or amputation of the involved extremity. In the group of 18 patients in whom therapy failed, a total of only nine amputations were required. In the 15 patients whose lesion closed during therapy, 93% (14 patients) experienced a long-term successful outcome. CONCLUSION: Treatment with this new fluoroquinolone offers promise for the improved outcome of patients with the serious infectious complication of infected lower extremity ulcerations in peripheral vascular disease, diabetes mellitus, or both.

Adult↗
PubMed1984

Civilian arterial trauma of the upper extremity. An 11 year experience in 267 patients.

Two hundred ninety-eight arterial injuries in 269 upper extremities were reviewed. Penetrating agents accounted for 250 injuries (93 percent) and blunt trauma for 19 (7 percent). Fifty-nine axillary, 126 brachial, 65 radial, and 48 ulnar arteries were damaged. Twenty-six extremities had more than one artery injured. The initial vascular examination revealed no abnormalities or was equivocal in 16 percent of all patients and in 32 percent of those with axillary artery injuries. Adjacent upper extremity structures were injured in 195 limbs (73 percent). Resection and primary anastomosis (54 percent) or vein interposition grafting (26 percent) were the most frequent methods of repair. Two deaths (0.7 percent) occurred and four amputations (1.5 percent) were required. Distal pulses were present at discharge in 93 percent of the evaluable extremities. Despite excellent success with arterial reconstruction, functional results were limited by associated nerve injuries. One hundred fifty patients (49 percent) had nerve deficits at discharge, and 71 (27 percent) had serious functional limitations.

Adolescent↗
PubMed1985

Aggressive approach to the extremity damaged by electric current.

Electrical current injuries involving the extremities occurred in 41 of 75 patients with electrical burns admitted to the Oregon Burn Center over an 11 year period. Based solely on physical findings, the muscle compartments of 27 limbs in 14 patients were promptly explored, decompressed, and debrided of necrotic tissue on admission. This resulted in the salvage of 10 useful extremities. Major amputation of 11 extremities was carried out during initial surgery. No extremity needing exploration was overlooked. After exploration and fasciotomy, exposed tissues were protected with biologic dressings until repeated explorations and debridements demonstrated the absence of necrotic tissues and closure could be accomplished. The use of both local and free flaps was helpful in closing the wounds. No evidence or renal failure and no deaths attributable to retained necrotic tissue occurred.

Adolescent↗
PubMed1986

Amputation after extremity injury.

Extremity injury is a significant cause of morbidity and mortality in the trauma patient. The decision to amputate is a difficult one to make in a patient population still in the productive years of life. At the University of Louisville Hospital from 1976 to 1984, 37 patients with traumatic extremity injury required amputation. Ninety percent of these injuries were to the lower extremities. A decision for amputation was based on the absence of neurovascular function, the presence of fracture of the involved extremity, the presence of a large soft tissue defect, and the presence of severe contamination. Prompt amputation of such severely damaged limbs may be preferable to attempts at salvage. Early amputation offers the opportunity for prosthetic replacement and good long-term functional recovery.

Adolescent↗