Concurrence of anorexia nervosa and gonadal dysgenesis. A critical review with practical considerations.
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Adolescent↗
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A rare presentation of dens invaginatus in a mandibular lateral incisor occurring concurrently with bilateral maxillary dens invaginatus: case report and review of literature.
BACKGROUND: Dens Invaginatus (DI), commonly known as dens in dente, is a developmental malformation of tooth that most commonly affects permanent maxillary lateral incisor teeth. Deciduous teeth are infrequently affected. Presence of DI in mandibular permanent teeth is extremely rare. Further, the presence of DI bilaterally in the maxillary lateral incisors of the same patient is even more unusual. METHODS: In this article, an unusual case of DI affecting a mandibular lateral incisor tooth is described. This malformation was uncovered after a full mouth radiographic examination when the patient presented for dental treatment unrelated to this finding. In addition, the various radiographic appearances of DI as they present within the maxillary and mandibular teeth are described. Essential clinical considerations and treatment options are presented. A review of the pertinent literature is undertaken and a table summarizing previous published findings of mandibular DI is presented. RESULTS: A review of the literature indicates that DI in mandibular teeth is extremely rare with only 10 other cases involving 13 teeth reported previously. CONCLUSIONS: Although this is an extremely rare case, DI is an anomaly that should be familiar to all practising dentists due to the clinical implications of potential sequelae of pulpal involvement.
Dens in Dente↗
Quality and cost-effective management of mental health care.
Corporations have reduced their mental health care benefits by limits on coverage for such services. We report on a comprehensive mental health care program, including prevention and early intervention, hospital utilization review, and consulting psychiatrist, which has improved the quality and has significantly reduced inpatient insurance psychiatric hospitalization costs. Mental health service coverage was actually enhanced. Inpatient psychiatric hospitalization costs 12 months before and after the implementation of a concurrent psychiatric hospital utilization review program were reviewed for a major corporation. Total hospital days and average length of stay decreased by 43% whereas total inpatient psychiatric hospital charges decreased by $309,518. Total inpatient days decreased by 1045. Quality and cost-effective comprehensive psychiatric health care services can be offered by major corporations providing that such benefits are carefully designed and managed.
Chicago↗
Surgical strategy of concomitant abdominal aortic aneurysm and gastric cancer.
PURPOSE: Selecting the most appropriate surgical approach for patients with abdominal aortic aneurysm (AAA) and concurrent gastric cancer remains controversial. In an attempt to develop guidelines for the management of two concurrent lesions, a retrospective review of patients with concomitant AAA and gastric cancer was undertaken. METHODS: During the period from January 1985 to December 1992, a total of 222 patients with AAA were admitted to our hospital. Among these, seven patients (3.2%) had gastric cancer and concurrent AAA. Six of the seven patients were treated surgically for both lesions with either a one- or two-stage operation. One patient underwent only an exploratory laparotomy because of the peritoneal dissemination of the gastric cancer. Four of the six patients underwent a two-stage operation. In three cases, the resection of the malignancy was performed first because the gastric cancer was diagnosed as advanced before operation. In one case, the aneurysmectomy was performed first because the aneurysm was more than 6 cm in diameter and the gastric cancer was in an early stage of development. Two of the six patients underwent a one-stage operation and a simultaneous resection was carried out by way of segregated approaches, such as the retroperitoneal approach for AAA and the transperitoneal approach for the malignant lesion. RESULTS: Five of the seven patients (71.4%) are still alive. The length of follow-up for these patients ranged from 4 months to 4 years. CONCLUSIONS: The principles of our surgical approaches for concomitant AAA and gastric cancer are as follows. (1) The lesion that absolutely indicates urgent operation should be operated on first. (2) If the malignant lesion is advanced, it is resected first. (3) If the malignancy is not advanced, the AAA should be resected first by the retroperitoneal approach. (4) Simultaneous resection by way of segregated approaches is useful in some patients with early gastric cancer. (5) Both lesions must be resected eventually for improvement of the long-term survival chances.
Aged↗
Diagnosing addictive disease in chronic pain patients.
As opiate therapy is increasingly accepted for the management of chronic pain, the consultation-liaison psychiatrist is often challenged to diagnose and provide treatment recommendations for addictive disease in chronic pain patients. Reviewed are the defining characteristics of addiction within the context of chronic pain, and the interesting commonalities between addictive disease and chronic pain. Guidelines for assessment of addiction in patients with chronic pain are presented, as are suggestions for the management of these concurrent disorders. Underlying this review is a belief that opiates should not be withheld from persons with chronic pain, even in the presence of addictive disease.
Chronic Disease↗
The morbidity and benefits of concurrent gracilis myocutaneous graft with pelvic exenteration.
This study was undertaken to evaluate the morbidity and potential benefits of concurrent gracilis myocutaneous graft with exenteration. All patients undergoing exenteration from 1962-1986 were reviewed, of whom 24 had concurrent grafts. The mean operative time, blood loss, and hospital stay were not different in patients with versus without grafts. The rate of fistula formation in the hospital was less in the graft group (P = .004) but was not different when compared with contemporary patients only. The total infection rate (wound and pelvic) was decreased in the graft group (P = .04) when graft infections were excluded. The major problem with the graft was significant necrosis of the flap(s) in nine of the 24 patients. There were no life-threatening complications attributed to concurrent placement of gracilis myocutaneous flaps. Experience with the technique is improving the cosmetic and functional outcome of the neovagina formed with the graft. Patients most likely to benefit from this procedure include those requiring immediate reconstruction or those with potentially poor healing due to high-dose pelvic radiation, including intraoperative radiation.
Female↗
Concurrent compartment syndromes of the foot and leg.
We reviewed the case summaries of eight patients who developed concurrent compartment syndromes of the foot and leg after trauma. Patients with multiple fractures of the lower extremities, particularly the tibia, femur, and foot, may develop this disorder. The obvious causes of the concurrent syndromes, concurrent fractures and generalized limb ischemia, were seen only in two patients. The communication between the compartments of the foot and leg may be an additional causative factor. Delayed fasciotomy resulted in muscle necrosis and/or tibial nerve dysfunction. Suspected cases should have the diagnosis established by catheterization of the involved compartments. Prompt fasciotomies of the foot and leg should be performed if the pressures are significantly elevated.
Adolescent↗
Multimorbidity and quality of life in primary care: a systematic review.
BACKGROUND: Many patients with several concurrent medical conditions (multimorbidity) are seen in the primary care setting. A thorough understanding of outcomes associated with multimorbidity would benefit primary care workers of all disciplines. The purpose of this systematic review was to clarify the relationship between the presence of multimorbidity and the quality of life (QOL) or health-related quality of life (HRQOL) of patients seen, or likely to be seen, in the primary care setting. METHODS: Medline and Embase electronic databases were screened using the following search terms for the reference period 1990 to 2003: multimorbidity, comorbidity, chronic disease, and their spelling variations, along with quality of life and health-related quality of life. Only descriptive studies relevant to primary care were selected. RESULTS: Of 753 articles screened, 108 were critically assessed for compliance with study inclusion and exclusion criteria. Thirty of these studies were ultimately selected for this review, including 7 in which the relationship between multimorbidity or comorbidity and QOL or HRQOL was the main outcome measure. Major limitations of these studies include the lack of a uniform definition for multimorbidity or comorbidity and the absence of assessment of disease severity. The use of self-reported diagnoses may also be a weakness. The frequent exclusion of psychiatric diagnoses and presence of potential confounding variables are other limitations. Nonetheless, we did find an inverse relationship between the number of medical conditions and QOL related to physical domains. For social and psychological dimensions of QOL, some studies reveal a similar inverse relationship in patients with 4 or more diagnoses. CONCLUSIONS: Our findings confirm the existence of an inverse relationship between multimorbidity or comorbidy and QOL. However, additional studies are needed to clarify this relationship, including the various dimensions of QOL affected. Those studies must employ a clear definition of multimorbidity or comorbidity and valid ways to measure these concepts in a primary care setting. Pursuit of this research will help to better understand the impact of chronic diseases on patients.
Chronic Disease↗
Efficacy of BCG vaccine in the prevention of tuberculosis. Meta-analysis of the published literature.
OBJECTIVE: To quantify the efficacy of BCG vaccine against tuberculosis (TB). DATA SOURCES: MEDLINE with index terms BCG vaccine, tuberculosis, and human. Experts from the Centers for Disease Control and Prevention and the World Health Organization, among others, provided lists of all known studies. STUDY SELECTION: A total of 1264 articles or abstracts were reviewed for details on BCG vaccination, concurrent vaccinated and unvaccinated groups, and TB outcome; 70 articles were reviewed in depth for method of vaccine allocation used to create comparable groups, equal surveillance and follow-up for recipient and concurrent control groups, and outcome measures of TB cases and/or deaths. Fourteen prospective trials and 12 case-control studies were included in the analysis. DATA EXTRACTION: We recorded study design, age range of study population, number of patients enrolled, efficacy of vaccine, and items to assess the potential for bias in study design and diagnosis. At least two readers independently extracted data and evaluated validity. DATA SYNTHESIS: The relative risk (RR) or odds ratio (OR) of TB provided the measure of vaccine efficacy that we analyzed. The protective effect was then computed by 1-RR or 1-OR. A random-effects model estimated a weighted average RR or OR from those provided by the trials or case-control studies. In the trials, the RR of TB was 0.49 (95% confidence interval [CI], 0.34 to 0.70) for vaccine recipients compared with nonrecipients (protective effect of 51%). In the case-control studies, the OR for TB was 0.50 (95% CI, 0.39 to 0.64), or a 50% protective effect. Seven trials reporting tuberculous deaths showed a protective effect from BCG vaccine of 71% (RR, 0.29; 95% CI, 0.16 to 0.53), and five studies reporting on meningitis showed a protective effect from BCG vaccine of 64% (OR, 0.36; 95% CI, 0.18 to 0.70). Geographic latitude of the study site and study validity score explained 66% of the heterogeneity among trials in a random-effects regression model. CONCLUSION: On average, BCG vaccine significantly reduces the risk of TB by 50%. Protection is observed across many populations, study designs, and forms of TB. Age at vaccination did not enhance predictiveness of BCG efficacy. Protection against tuberculous death, meningitis, and disseminated disease is higher than for total TB cases, although this result may reflect reduced error in disease classification rather than greater BCG efficacy.
BCG Vaccine↗
Effects of a specialized team on stroke care. The first two years of the Yale Stroke Program.
BACKGROUND AND PURPOSE: Strategies have been proposed for stroke care to improve quality or reduce cost. We sought to document the effects of a new program of specialized stroke care. METHODS: In a programmatic review using historical and concurrent control subjects, we evaluated patients discharged with a stroke diagnosis (diagnosis-related group 14) over a 6-year period between January 1987 and December 1992. Patients were from an academic medical center. The intervention was consultation (on university neurology patients) by a specialized multidisciplinary team during the last 2 years of the review period. The main outcome measures were median length of stay and rate of common complications before and after implementation compared with other hospital services (private neurology and medicine). RESULTS: Stroke team involvement was associated with a shortened median length of stay from 10 to 8 days (P < .0001). There was no significant change in the median length of stay for the private neurology or medicine services. After stroke team involvement, there were fewer urinary tract infections (P = .056), and those patients who developed infection had a shorter length of stay (P = .0007). There was no change in the rate of aspiration pneumonia or in length of stay for patients with aspiration pneumonia. Mortality did not change. CONCLUSIONS: A coordinated, multidisciplinary approach to stroke care may reduce length of stay and morbidity in patients hospitalized because of stroke.
Cerebrovascular Disorders↗
Integration of concurrent collection of plasma into a plateletpheresis program.
We have reviewed our initial experience with a program of concurrent collection of plasma (CCP) during plateletpheresis, which was instituted to increase the number of units of fresh frozen plasma produced by our hospital-based donor service. Sixty percent of eligible donors (1,006 of 1,682) participated in CCP, and 21 donors subsequently dropped out of the program. Of these, only one of four first-time donors have returned, whereas the majority of established plateletpheresis donors (16 of 17) have continued to donate platelets. Additional plasma was collected at a minimum of 8-week intervals on the Fenwal CS-3000 Plus or COBE Spectra without a change in the requirements for donor testing or the collection procedure. The quality of these platelet products was compared to that of those donated without CCP. There was a small decrease in platelet yield for products with CCP on the CS-3000 Plus (mean yield 4.5 x 10(11) with CCP versus 4.9 x 10(11) without CCP, P < .01). No negative effects were seen on the percentage of products with a minimum yield of 3 x 10(11) platelets or on leukocyte contamination. In addition, there was no difference in the rate of adverse donor reactions. During a 12-month interval, CCP provided 34% (3,798 of 11,266 units) of all fresh frozen plasma for our hospital without additional staff or equipment. The results of this retrospective study suggest that CCP merits further evaluation.
Blood Donors↗
Concurrent radiotherapy and chemotherapy for locally advanced non-small-cell cancer of the lung. Report of a clinical trial and review of the literature.
A prospective nonrandomized phase II study was begun in 1985 using concurrent split-course radiation and chemotherapy in the treatment of locally advanced non-small-cell cancer of the lung. Patients were treated with 3,000 cGy of radiation in 15 fractions to the chest, together with 100 mg/m2 cisplatin on day 1 and 1,000 mg/m2/day 5-fluorouracil infusion on days 1-4. The radiation and chemotherapy were then repeated after a 1-week break. Twenty-one patients were treated, with five patients having a complete response and nine patients having a partial response for an overall response rate of 67%. With a minimum of 24 months follow-up, five patients remain alive. Median survival for the entire group is 11.6 months. The toxicity of the treatment regimen was acceptable. These results do not differ significantly from survivals of similar patients treated with radiation alone, including a series from our own institution. The literature on concurrent chemotherapy and radiation is reviewed and possible future approaches to this tumor are discussed.
Adult↗
Concurrence of histologic features of steatohepatitis with other forms of chronic liver disease.
Steatohepatitis, of either alcoholic or nonalcoholic etiologies, is ultimately diagnosed by clinical-pathologic correlation and is characterized histologically by lesions that differ from the portal-based chronic inflammation and fibrosis of most other forms of chronic liver disease. With the increasing prevalence of steatohepatitis in our society, it is likely that some patients will have coexistent clinical and/or histopathologic findings of steatohepatitis concurrently with another form of liver disease. The aim of this study was to document clinical and histologic findings in biopsies in an academic referral center. Ninety-three non-allograft liver biopsies with lesions of both steatohepatitis and another liver disease were retrospectively identified in 85 patients. The finding of coexisting disease represented 5.5% of all hepatitis C biopsies and 4.0% of other forms of chronic liver disease in the 34 month time period. Clinical chart review of patients with concurrent disease showed the following: Group 1, patients with hepatitis C (n = 54); Group 2, patients with hepatitis C and prior or current history of more than 80 g/d alcohol consumption (n = 20); Group 3, patients with other forms of chronic liver disease (n = 11). Groups 1 and 3 had <10 g/d alcohol use. Obesity (body mass index >30) was noted in 75%, 60%, and 33% respectively, while 94%, 87% and 100% of patients were considered overweight (body mass index > or = 25). Diabetes was reported in 35%, 25%, and 9%. The concurrence of clinical and histologic features of steatohepatitis with another chronic liver disease may be a reflection of the frequency of steatohepatitis in the population at large.
Adult↗
Reliability of a hospital utilization review method in Turkey.
OBJECTIVE: To determine whether the Appropriateness Evaluation Protocol (AEP) is reliable in Turkey. METHODS: Three reviewers, two physicians and one nurse each reviewed 196 patient-days concurrently by using the AEP at three hospitals, two of which were teaching hospitals. Inter-reviewer reliability was assessed both for all cases reviewed (overall agreement), and for only those judged inappropriate by at least one reviewer (specific agreement). In addition, overall agreement between pairs of reviewers was evaluated by the Kappa statistic. RESULTS: The overall agreement between pairs of reviewers was very high: 93.4-95.9%, and it was similar between all pairs. The level of overall agreement was highly statistically significant: k=0.725-0.833, P<0.001. The specific agreement rates ranged from a low of 61.8% to a high of 75%. CONCLUSIONS: These results show, for the first time, that the AEP method is reliable in Turkey.
Hospitals, Teaching↗
Indications for requesting laboratory tests for concurrent diseases in patients with carpal tunnel syndrome: a systematic review.
BACKGROUND: Carpal tunnel syndrome (CTS) is known as a repetitive motion disorder, but the role of other diseases in the development or prognosis of CTS is uncertain. We reviewed the literature to determine whether there is evidence for an increased prevalence of specific conditions in CTS patients and whether this evidence would support laboratory screening for these conditions. METHODS: Medline, Embase, and Cochrane Controlled Trial Register were searched for key words related to CTS and associated diseases. Relevant articles were selected according to specific criteria. Sources of bias and heterogeneity attributable to differences in study design and in patient selection were investigated by subgroup analysis. RESULTS: After an initial search, we limited ourselves to three potentially important conditions: diabetes mellitus (DM), hypothyroidism (HT), and rheumatoid arthritis (RA). We identified nine articles with a total of 4908 CTS patients and 7671 controls that met our selection criteria. The nine studies were heterogeneous with respect to clinical and methodologic factors. In general, the prevalence of concurrent diseases was higher in CTS patients than in controls: the pooled odds ratios were 2.2 (95% confidence interval, 1.5-3.1) for DM, 1.4 (1.0-2.0) for HT, and 2.2 (1.4-3.4) for RA. Studies of lower methodologic quality reported, on average, higher odds ratios. Only one study provided information about whether the diagnosis of the concurrent condition was already made at the time of the CTS diagnosis. CONCLUSIONS: We found evidence that the prevalences of DM, HT, and RA are higher in CTS patients, but only one study specifically addressed the issue of the prevalence of nonmanifest cases of the concurrent condition. At present, there is insufficient evidence for routine laboratory screening for concurrent conditions in all newly diagnosed CTS patients.
Arthritis, Rheumatoid↗
Lactic acidosis in metformin therapy: searching for a link with metformin in reports of 'metformin-associated lactic acidosis'.
OBJECTIVE: The link between metformin and lactic acidosis in metformin therapy may be causal, associated or coincidental. Our objective was to investigate this link by studying and analysing published reports of so-called 'metformin-associated lactic acidosis'. RESEARCH DESIGN AND METHODS: systematically searched in the BIOSIS, DERWENT, EMBASE, MEDLINE, and PASCAL databases of the English language and non-English language literature for all reports of so-called 'metformin-associated lactic acidosis' published from May 1995 through January 2000. We did not include reports related to metformin overdose or contrast media-induced renal failure. Metformin accumulation and concurrent pathologies were critically reviewed as precipitating factors for metformin-associated lactic acidosis. Metformin accumulation was assessed in terms of the recorded measurement of metformin concentration in plasma or, if not available, by the presence of primary renal failure, i.e. renal failure that was not secondary to a shock syndrome. RESULTS: We found 21 reports describing a total of 26 patients. Criteria of lactic acidosis (lactate > 5 mmol/l, pH <or= 7.35) were not met in four patients. In the remaining 22 patients, plasma metformin concentration was determined in only four, of whom one had a normal value. In the 18 patients with lactic acidosis where plasma metformin concentration data was not available, the presence of primary renal failure was absent or unlikely in six patients, uncertain in two, and likely or proven in 14. With regard to these 14 patients, the precipitating factor was metformin in 12 patients (in the context of renal failure either chronic or acute) and intercurrent pathologies in two others. Overall, lactic acidosis was either absent (n = 4), precipitated by concurrent pathology (n = 8), precipitated by metformin without apparent associated pathology (n = 12) or of uncertain origin (n = 2). Death occurred 10 times but only once in the 12 patients with metformin-induced lactic acidosis and this was not related to metformin. CONCLUSIONS: While the term 'metformin-associated lactic acidosis' is commonly used to depict all situations of lactic acidosis in metformin therapy, true metformin-associated lactic acidosis, i.e. one which refers to metformin and concurrent pathologies as co-precipitating factors, was never observed in the studied reports. As there was no mortality due to metformin alone, it is important that physicians are familiar with the range of other risk factors that contribute to lactic acidosis in patients treated with metformin.
Acidosis, Lactic↗
[Combined radiochemotherapy in localised small-cell lung cancer. Concurrent treatment protocols?].
PURPOSE: We retrospectively reviewed our Institution's database to investigate the outcome and impact of combined radiochemotherapy (RT/CT; concomitant or in sequence) in localised small-cell lung cancer (L-SCLC). MATERIAL AND METHODS: Between January 1995 to November 1999, 79 patients with L-SCLC received combined RT/CT at our Institution. RT was delivered concurrently or sequentially following the CT. Patients with treatment response received additional prophylactic cranial irradiation (PCI). RESULTS: Of the patients treated, 54% had received concurrent CT/RT compared to 46% receiving RT following the CT. PCI was administered to 80% of the patients. Complete response was observed in 66% of patients. With a median follow up of 30 months, median overall survival was 15.9 months; 14.3 months for patients who received RT following CT and 21.6 months for those receiving concurrent CT/RT. The type of schedule of combined radiochemotherapy was an independent prognostic factor for survival free of local recurrence, as was additional PCI for distant metastasis-free survival. CONCLUSIONS: Our results are similar to those reported previously in the literature. The main point of interest is that our patients were non-selected. We strongly support the use of concurrent CT/RT so as to achieve results comparable to the best in the literature.
Adult↗
Are adolescent smokers dependent on nicotine? A review of the evidence.
This paper reviews the empirical literature on adolescent nicotine dependence, withdrawal, and their associated features. Data documenting nicotine dependence scores, diagnoses, and individual features among adolescents are reviewed in detail and compared to observations based on adult smokers. These data are derived from a broad variety of sources, including national surveys, school-based surveys, and smoking cessation studies. Overall, results indicate that one to three out of five adolescent smokers is dependent on nicotine, with some adolescent groups clearly at higher risk for dependence (those who are incarcerated, in vocational schools, daily smokers, and/or heavy smokers). Across studies, data consistently indicate that a large majority (two-thirds or more) of adolescent smokers report experiencing withdrawal symptoms during attempts to quit or reduce their smoking. Craving or strong desire to smoke was the most commonly reported withdrawal symptom in every study reviewed. Although analyses of concurrent validity generally support the dependence and withdrawal findings among adolescents, data on the predictive validity of measures used are needed. Moreover, studies of adolescent tobacco withdrawal rely almost exclusively on retrospective self-report data. Recommendations for enhancing methodology and advancing our understanding of adolescent nicotine dependence and withdrawal are offered.
Adolescent↗