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2010| February | Volume 64 | Issue 2
Online since
March 28, 2012
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CASE REPORTS
Melioidotic pericardial effusion
Thomas S Kuruvilla, Meena Dias, Uttam Udayan, Zevita Furtado
February 2010, 64(2):94-98
DOI
:10.4103/0019-5359.94407
Aim is to present a rare case of purulent pericardial effusion caused by Burkholderia pseudomallei. Pericardial sample was inoculated into Bactec Peds Plus/F broth of the Bactec automated system. After the system flagged positive, the broth was subjected to Gram stain, biochemical tests and drug susceptibility. The organism was identified as Burkholderia pseudomallei. Tuberculosis (TB) is the most common cause of pericarditis in countries where it remains a major public health problem, but in the western coastal districts of India, clinicians and microbiologists alike must be aware of Burkholderia pseudomallei a rare cause of pericarditis that can be misdiagnosed as TB pericarditis.
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ORIGINAL ARTICLES
Prevalence and risk factors for severity of diabetic neuropathy in type 2 diabetes mellitus
Padmaja Kumari Rani, Rajiv Raman, Sudhir R Rachapalli, Swakshyar Saumya Pal, Vaitheeswaran Kulothungan, Tarun Sharma
February 2010, 64(2):51-57
DOI
:10.4103/0019-5359.94400
Purpose:
To estimate the prevalence of diabetic neuropathy (severity wise) and associated risk factors in a population having type 2 diabetes mellitus.
Materials and Methods:
A population-based sample of 1401 persons with diabetes (identified as per the WHO criteria) underwent comprehensive eye examination including stereoscopic digital photography (45° four field) for diabetic retinopathy grading. Vibration perception threshold (VPT) measurements were done to assess neuropathy (cut off ≥ 20 V). Severity of neuropathy was graded into three groups based on VPT score as mild (20-24.99 V), moderate (25-38.99 V), and severe (≥39 V). Univariate and multivariate analyses were done to find out the independent risk factors for severity of diabetic neuropathy.
Results:
In the overall group, the prevalence of diabetic neuropathy was 18.84% (95% CI: 16.79-20.88). The prevalence of mild diabetic neuropathy was 5.9% (95% CI: 4.68-7.15), moderate diabetic neuropathy was 7.9% (95% CI: 6.50-9.33), and severe diabetic neuropathy was 5% (95% CI: 3.86-6.14). Increasing age per year (
P
< 0.0001) was a statistically significant risk factor for all - mild, moderate, and severe - types of diabetic neuropathy. For severe diabetic neuropathy, other significant risk factors were duration of diabetes mellitus (
P
= 0.027), macroalbuminuria (
P
= 0.001), and presence of diabetic retinopathy (
P
= 0.020).
Conclusions:
The results suggested that every fifth individual in a population of type 2 diabetes is likely to have diabetic neuropathy. Nearly 13% had neuropathy of moderate and severe category, making this group vulnerable for complications such as foot ulceration or lower limb amputation.
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Validation of the children's depression rating scale- revised for adolescents in primary-care pediatric use in India
Mona M Basker, Paul Swamidhas Sudhakar Russell, Sushila Russell, Prabhakar D Moses
February 2010, 64(2):72-80
DOI
:10.4103/0019-5359.94403
Background:
Adolescent depression needs to be identified and treated in the primary care settings. There is no clinician-rated measure validated in India for identifying depression among adolescents.
Aim:
We studied the diagnostic accuracy, reliability, and validity of Children's Depression Rating Scale - Revised (CDRS-R) for primary care pediatrics.
Setting and Design:
Prospective study in three schools in Southern India.
Materials And Methods:
Adolescents recruited were administered the CDRS-R by a pediatrician and clinical psychologist along with Beck Depression Inventory (BDI) for convergent validity. Impact of Event Scale (IES) for divergent validity and the ICD-10 clinical diagnosis of depressive disorders using modified Kiddie-SADS-Present and Lifetime Version (K-SADS-PL) interview as reference standard were administered by a psychiatrist independently. Appropriate statistical analyses for diagnostic accuracy, reliability, and validity were done.
Results:
A cut-off score of 30 (sensitivity = 83%, specificity = 84%; AUC in ROC = 87%) in CDRS-R is suggested for diagnosing depression. The inter-rater reliability (r = 0.73) and test-retest reliability (r = 0.98) was good. In addition to the adequate face and content validity, CDRS-R had good internal consistency (α = 0.76), high convergent (r = 0.71; P = 0.001), and divergent validity (r = 0.28; P = 0.20). There was moderate concordance with the reference standard of ICD-10 diagnosis (45.5%) in identifying depression and CDRS-R discriminated 80% of the other psychiatric morbidity. The six-factor structure explained 60.6% of variance.
Conclusion:
The CDRS-R showed strong psychometric properties and is now available for use in the primary-care pediatric practice in India.
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Acute perforated appendicitis: An analysis of risk factors to guide surgical decision making
Savio G Barreto, Edward Travers, Tudor Thomas, Clare Mackillop, Leong Tiong, Michelle Lorimer, Randall Williams
February 2010, 64(2):58-65
DOI
:10.4103/0019-5359.94401
Introduction:
Acute perforated appendicitis is associated with increased post-operative morbidity and mortality. Avoiding delays in surgery in these patients may play a role in reducing observed morbidity.
Objective:
To analyze the clinico-pathological profile and outcomes in a cohort of patients undergoing emergency appendicectomies for suspected acute appendicitis and to determine factors influencing the risk of perforated appendicitis in order to aid better identification of such patients and develop protocols for improved management of this subset of patients.
Materials and Methods:
A retrospective analysis of patients undergoing emergency appendicectomies following presentation with acute appendicitis to the Modbury hospital, South Australia from March 2007 to April 2011 was conducted. Statistical analyses were performed in SAS 9.2.
Results and Discussion:
506 patients underwent emergency appendectomy for acute appendicitis which included equal number of male and female patients with a median age of 25 years. Perforated appendicitis was found in 102 (20%) patients. Post-operative morbidity was significantly higher in patients with perforated appendicitis (28.4% vs 4.7%;
P
<0.0001). Male sex, patients older than 60 years, along with raised neutrophil counts and C-reactive protein levels were found to be significantly associated with the risk of perforation (
P
<0.05).
Conclusions:
Acute perforated appendicitis is associated with high morbidity. The increased risk of perforation in males and elderly patients appears unrelated to delays in presentation, diagnosis, or surgery. Patients with clinically diagnosed acute appendicitis and an elevation in neutrophil count and CRP level must be considered candidates for early surgery as they are likely to have an appendicular perforation.
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CASE REPORTS
Subarachnoid hemorrhage with transient ischemic attack: Another masquerader in cerebral venous thrombosis
Bhawna Sharma, Vipin Satija, Parul Dubey, Ashok Panagariya
February 2010, 64(2):85-89
DOI
:10.4103/0019-5359.94405
Cerebral venous thrombosis has a wide spectrum of clinical manifestations that may mimic many other neurological disorders and lead to frequent misdiagnoses or delay in diagnosis. The most frequent symptoms and signs are headache, seizures, focal deficits, and papilledema. A number of rare atypical manifestations have been described. Cerebral venous thrombosis may present with an isolated intracranial hypertension type picture, thunderclap headache, attacks of migraine with aura, isolated psychiatric disturbances, pulsatile tinnitus, isolated or multiple cranial nerve involvement, and occasionally as subarachnoid hemorrhage (SAH) or transient ischemic attack. Our patient presented with thunderclap headache and transient ischemic attack like episode with obvious SAH on CT scan. Acute SAH suggests the presence of a vascular lesion, such as ruptured aneurysm, and CVT is not generally considered in the diagnostic workup of SAH. The case emphasizes the importance of cerebral venous study in nonaneurysmal cases of SAH. It is important to have a high index of suspicion in such atypical cases to avoid delay in diagnosis.
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A case of losartan induced angioedema
Chitra Nair
February 2010, 64(2):81-84
DOI
:10.4103/0019-5359.94404
Angiotensin-converting enzyme (ACE) inhibitors and angiotensin receptor blockers (ARB) target the renin-angiotensin system and are used in the management of hypertension. Both classes of drugs have similar side effects. ARBs are considered to be much better tolerated than ACE inhibitors with lesser incidence of side effects. Angioedema is a very rare side effect associated with ACE inhibitors (ACEI) and even rarer so with ARBs. The cause for angioedema in ACE inhibitors is said to be the rise in bradykinin levels. It has been postulated that angiotensin II receptor activates the bradykinin-prostaglandin-nitric oxide cascade, resulting in bradykinin-mediated side effects of ARBs such as angioedema, but the true mechanism remains largely unknown. We present here a rare case of late onset angioedema associated with losartan (an ARB) in a female patient. She had been started on an ARB as a first line treatment for uncomplicated mild to moderate hypertension. She had no prior exposure to ACE inhibitors and did not have any other significant medical history. Though rare angioedema is a serious recognized side effect of ARB therapy and the patients started on them should be warned to look for the early signs so as to take corrective action.
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Steroid responsive prolonged thrombocytopenia in dengue
Ashish Bhalla, R Bagga, LK Dhaliwal, R Sharma, S Varma
February 2010, 64(2):90-93
DOI
:10.4103/0019-5359.94406
Prolonged thrombocytopenia in a usual case of dengue virus infection is uncommon. Dengue-related thrombocytopenia is self-limiting and responds within 3-5 days. An underlying immunological disorder may be responsible for delayed return of platelet count to a normal level. We present a case of prolonged thrombocytopenia in a case of dengue hemorrhagic fever. The response to steroids suggests a possible immunological dysfunction.
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ORIGINAL ARTICLES
Voice in chronic hemodialyzed individuals
Radish Kumar Balasubramanium, Jayashree S Bhat
February 2010, 64(2):66-71
DOI
:10.4103/0019-5359.94402
Objective:
Chronic hemodialysis affects various body systems, one of which is the respiratory system. Since respiration is the prime source for speech, vocal dysfunctions are expected to be present in patients with chronic hemodialysis. The present study attempts to shed light on the changes in acoustic and aerodynamic characteristics of voice, if any, in patients with chronic hemodialysis.
Materials and Methods:
Phonation of sustained vowel/a/sample was subjected to acoustic analysis using VAGHMI software. Sustained duration of/a/,/s/, and/z/ was recorded for the purpose of aerodynamic analysis. The independent t test was employed to find the significant difference between the two groups.
Results:
Chronic hemodialyzed subjects showed significant deviation in frequency, perturbation, and aerodynamic measures when compared to normal subjects. These results are discussed with respect to the underlying pathophysiology.
Conclusion:
The results of the present study revealed that subjects with chronic hemodialysis exhibit clinical evidence of voice disorders. Vocal deviations in chronic hemodialyzed subjects are explained due to the influence of the renal system on the respiratory and the phonatory system and the negative fluid balance effect of hemodialysis.
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© 2004 - Indian Journal of Medical Sciences
Published by
Medknow
Online since 15
th
December '04