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Yadav R, Nagori A, Madan K, Lodha R, Kabra SK. Short-term exposure to air pollution and emergency room visits for acute respiratory symptoms among adults. Int J Tuberc Lung Dis 2023; 27:761-765. [PMID: 37749844 PMCID: PMC10519391 DOI: 10.5588/ijtld.23.0044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 04/11/2023] [Indexed: 09/27/2023] Open
Abstract
OBJECTIVE: To examine the short-term effect of ambient air pollution on daily acute respiratory emergency room visits among adults.METHODS: A time-series study (June 2017-February 2019) was carried out among adults (≥18 years) visiting a multi-specialty hospital in Delhi. We evaluated the association between the daily levels of particulate matter (PM) <2.5 μm in diameter (PM2.5) and PM <10 μm in diameter (PM10), ozone (O₃), nitrogen dioxide (NO₂), carbon monoxide (CO) and sulphur dioxide and daily count of emergency room (ER) visits for acute respiratory symptoms. Generalised additive model (GAM) was used with the Poisson link function to analyse the associations for 0-1 to 0-7 lag days.RESULTS: A total of 69,400 ER visits were recorded, of which 2,669 were by adults due to acute respiratory symptoms. At 0-7 lag days, an increment of 1 standard deviation in NO₂ and PM2.5 concentration was associated with a percentage increase in acute respiratory ER visits of respectively 53.0% (95% CI 30.84-78.97) and 19.5% (95% CI 4.53-36.65). During 0-7 lag days, a positive trend was observed at higher concentrations of CO (>1.86-3.28 mg/m³), while a negative significant association was observed at low concentrations of CO (<1.171 mg/m³).CONCLUSION: Short-term exposure to ambient NO2 and PM2.5 was associated with acute respiratory emergency visits of adults at lag 0-7 days.
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Affiliation(s)
- R. Yadav
- Department of Paediatrics, All India Institute of Medical Sciences (AIIMS), New Delhi
| | - A. Nagori
- Institute of Genomics and Integrative Biology, Council of Scientific and Industrial Research, New Delhi
- Academy of Scientific and Innovative Research, Ghaziabad
| | - K. Madan
- Department of Pulmonary Critical Care and Sleep Disorders, AIIMS, New Delhi, India
| | - R. Lodha
- Department of Paediatrics, All India Institute of Medical Sciences (AIIMS), New Delhi
| | - S. K. Kabra
- Department of Paediatrics, All India Institute of Medical Sciences (AIIMS), New Delhi
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Raza MS, Das BK, Goyal V, Lodha R, Chaudhry R, Sood S, Sreenivas V, Nair D, Mohapatra S, Gautam H, Kapil A. IMPACT OF MOLECULAR METHOD FOR THE DIAGNOSIS OF ACUTE BACTERIAL MENINGITIS IN A TERTIARY HEALTH CARE CENTRE IN NORTH INDIA. IJMMR 2020. [DOI: 10.11603/ijmmr.2413-6077.2020.1.11103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background. Acute bacterial meningitis is one of the significant infectious diseases that add an immense burden to the health system. Proper management of meningitis is an invincible need to overcome the severe consequences. Objectives. The aim of the study is detection of the etiological agents of acute bacterial meningitis by PCR. Methods. Total 267 CSF samples collected from suspected bacterial meningitis cases were processed for the detection of S. pneumoniae, H. influenzae, N. meningitidis, E. coli and Group B streptococci by conventional and molecular diagnosis method. CSF was inoculated on Blood, chocolate and MacConkey agar plates and incubated at 37 °C for 24-48 hrs. Bacteria grown were identified by Matrix assisted laser desorption/ionization time of flight (MALDI-TOF). Multiplex PCR of the enlisted bacteria was performed using DNA extracted from CSF by DNA extraction kit (Qiagen, USA). Results. 5 (1.87%) out of the total 267 CSF samples were culture positive (3 S. pneumoniae and 2 E. coli) and 28 (10.49%) had detectable DNA by conventional PCR. Out of these 28 samples, 20 (71.43%) were S. pneumoniae and 8 (28.57%) were E. coli. 15 (53.57%) out of total S. pneumoniae were present in children below 5 years of age. Similarly, E. coli was predominant in neonates. Sensitivity and specificity of the PCR was 100% and 95-98% respectively. Conclusions. Streptococcus pneumoniae is the commonest cause of community acquired bacterial meningitis in children below five years of age. Hence, for the promising outcome, PCR should be implemented for the diagnosis of acute bacterial meningitis.
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Thakur CK, Chaudhry R, Gupta N, Vinayaraj EV, Singh V, Das BK, Jadon RS, Wig N, Lodha R, Kabra SK, Dey AB, Chhabra M. Scrub typhus in patients with acute febrile illness: a 5-year study from India. QJM 2020; 113:404-410. [PMID: 31790119 DOI: 10.1093/qjmed/hcz308] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 11/17/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Scrub typhus was once thought to be a disease of rural origin and was confined to specific pockets in South Asia. Early diagnosis and treatment is extremely important as it is associated with high mortality if left untreated. AIM To delineate the clinical and molecular epidemiology of scrub typhus in patients presenting with acute febrile illness from various parts of India. METHODS During the study period of 5 years (October 2013 to October 2018), a total of 1742 patients with acute febrile illness <15 days were enrolled after taking informed consent. Patients were diagnosed using IgM Enzyme-linked immunosorbent assay (ELISA) based on the pre-determined region specific cut offs. Patients with positive IgM ELISA were also subjected to IgM Immunofluorescence assay and nested polymerase chain reaction (PCR) assay. The demographic and relevant clinical details of the patients were documented and analyzed. RESULTS A total of 210 (12.1%) patients were diagnosed with scrub typhus. Of these, nested PCR was positive in only 85 patients. Sequencing and phylogenetic analysis showed that the predominant circulating genotypes were Gilliam and Karp. On multivariate analysis, acute respiratory distress syndrome, myocarditis, encephalitis/encephalopathy, jaundice and splenomegaly were significantly more common in those patients who were diagnosed with scrub typhus. A total of 14 patients diagnosed with scrub typhus succumbed to the illness. CONCLUSION Patients with fever, headache, pulmonary manifestations, CNS manifestations, myocarditis, transaminitis or thrombocytopenia presenting in the monsoon and post-monsoon season should be evaluated for scrub typhus irrespective of the geographical location in India.
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Affiliation(s)
| | | | - N Gupta
- Department of Microbiology
- Department of Medicine
| | | | | | | | | | | | | | | | - A B Dey
- Department of Geriatric Medicine, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - M Chhabra
- Department of Microbiology, Dr. Ram Manohar Lohia Hospital, Post Graduate Institute of Medical Education and Research, Baba Kharak Singh Marg, Connaught Place, New Delhi 110001, India
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Gautam H, Singla M, Jain R, Lodha R, Kabra SK, Singh UB. Point-of-care urine lipoarabinomannan antigen detection for diagnosis of tuberculosis in children. Int J Tuberc Lung Dis 2019; 23:714-719. [DOI: 10.5588/ijtld.18.0364] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
| | - M. Singla
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - R. Jain
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - R. Lodha
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - S. K. Kabra
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
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Raza M, Kapil A, Goyal V, Lodha R, Sood S, Gautam H, Chaudhry R, Das B. Impact of the real time PCR in the diagnosis of acute bacterial meningitis in infants in a tertiary health care center in India. Int J Infect Dis 2019. [DOI: 10.1016/j.ijid.2018.11.217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Mukherjee A, Velpandian T, Singla M, Kanhiya K, Kabra SK, Lodha R. Pharmacokinetics of isoniazid, rifampicin, pyrazinamide and ethambutol in HIV-infected Indian children. Int J Tuberc Lung Dis 2017; 20:666-72. [PMID: 27084822 DOI: 10.5588/ijtld.15.0288] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING Co-infection with the human immunodeficiency virus (HIV) may lead to inadequate plasma concentrations of anti-tuberculosis drugs in children with tuberculosis (TB). OBJECTIVE To describe the influence of HIV infection on the pharmacokinetics of isoniazid, rifampicin, pyrazinamide and ethambutol in children. DESIGN Prospective drug estimation study in two cohorts of children: HIV-infected (n = 24) and non-HIV-infected (n = 32) with TB. Dosages used were based on earlier World Health Organization recommendations. All four drugs were estimated simultaneously using liquid chromatography mass spectrometry. RESULTS The HIV-TB co-infected children had a mean age of 105.9 months (standard deviation 43.1); there were 10 girls (41.7%). The maximum plasma concentration (Cmax), time taken to achieve Cmax, area under curve from 0-4 h and 2 h concentrations of isoniazid (INH), rifampicin (RMP) and pyrazinamide (PZA) were not affected by the HIV status of the children. Ethambutol (EMB) concentrations were lower in HIV-TB co-infected children. Inadequate 2 h concentrations of INH, RMP and EMB were found in the majority of the children in both groups. PZA concentrations were adequate in almost all children. Younger age and lower dose were associated with lower 2 h concentrations of INH and RMP. CONCLUSION Inadequate concentrations of INH, RMP and EMB in both HIV-TB-infected and non-HIV-infected children provide support for the recently revised recommended doses of INH and RMP. EMB levels were lower in HIV-infected children; however, more studies are needed to validate this observation.
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Affiliation(s)
- A Mukherjee
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - T Velpandian
- Department of Ocular Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - M Singla
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - K Kanhiya
- Department of Ocular Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - S K Kabra
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - R Lodha
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
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Gautam H, Singh U, Lodha R, Kabra S, Prakash R, Jain R. 19.146 Point of care urine lipoarabinomannan antigen detection for diagnosis of tuberculosis in Pediatric population. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.11.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Chaudhry R, Kokkayil P, Gosh A, Bahadur T, Kant K, Sagar T, Kabra S, Lodha R, Dey A, Menon V. Prevalence of Bartonella henselae infection and its diagnosis in diverse clinical conditions in a tertiary care hospital in North India. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.11.309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Achra A, Narsaria P, Lodha R, Kabra S, Kapil A. Procalcitonin in pediatric intensive care unit of a tertiary care hospital. Clinical Epidemiology and Global Health 2016. [DOI: 10.1016/j.cegh.2016.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Tripathi A, Kabra SK, Sachdev HPS, Lodha R. Home visits by community health workers to improve identification of serious illness and care seeking in newborns and young infants from low- and middle-income countries. J Perinatol 2016; 36 Suppl 1:S74-82. [PMID: 27109094 PMCID: PMC4848742 DOI: 10.1038/jp.2016.34] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 11/24/2015] [Indexed: 11/20/2022]
Abstract
The objectives of this review were to evaluate the effect of home visits by trained community health workers (CHWs) to successfully identify newborns and young infants (up to 59 days of age) with serious illness and improve care seeking from a health facility. The authors searched the Cochrane Central Register of Controlled Trials, MEDLINE and EMBASE. Abstracts of all articles were read by two authors independently and relevant articles selected. Data were extracted in a pretested questionnaire by two authors independently. Statistical analysis was performed using Review Manager software. A meta-analysis of included randomized controlled trials (RCTs) was carried out. Pooled estimates (risk ratios (RRs) with 95% confidence intervals (CIs)) of the evaluated outcome measures were calculated by the generic inverse variance method. Seven articles were identified for inclusion in the review. None of them compared the diagnosis of serious illness in young infants by health workers to a 'gold standard' diagnosis. Three studies were available for evaluating the ability of CHWs to identify seriously ill young infants/signs of serious illness. These studies suggest that sensitivity to identify serious illness ranged from 33.3 to 90.5% and specificity from 75.61 to 98.4%. For the outcome of improved care seeking from a health facility, after pooling the data from six RCTs with 4760 subjects in the intervention and 4398 subjects in the control arm, there was a significant improvement in care seeking in the home visit arm (RR=1.35; 95% CI=1.15 to 1.58). Moderate quality evidence indicated that home visits by trained CHWs were associated with improved care-seeking for sick young infants from health facilities by appropriate health care providers in resource-limited settings. However, there is a lack of data regarding successful identification of serious illness. Evidence from validation studies supports the implementation of home visits by trained CHWs for improving outcomes in sick newborns and young infants in resource-limited areas. Further well-designed studies evaluating the effect of home visits by CHWs on successful identification of seriously ill newborns and young infants should include verification by a 'gold standard'.
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Affiliation(s)
- A Tripathi
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - S K Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - H P S Sachdev
- Sitaram Bhartia Institute of Science and Research, New Delhi, India
| | - R Lodha
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
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Kar M, Singla M, Sethi T, Kabra S, Lodha R, Chandele A, Medigeshi G. Identification of viral and immunological correlates of disease severity and recovery in pediatric dengue patients. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Singh R, Mukherjee A, Kumar Kabra S, Lodha R, Das B. Attenuated resting memory B cell compartment in HIV infected children despite Highly Active Antiretroviral Therapy (HAART). Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Sharma G, Lodha R, Shastri S, Saini S, Kapil A, Singla M, Mukherjee A, Jat KR, Kabra M, Kabra SK. Zinc Supplementation for One Year Among Children with Cystic Fibrosis Does Not Decrease Pulmonary Infection. Respir Care 2015; 61:78-84. [DOI: 10.4187/respcare.04038] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Mukherjee A, Khandelwal D, Singla M, Lodha R, Kabra SK. Outcomes of Category II anti-tuberculosis treatment in Indian children. Int J Tuberc Lung Dis 2015; 19:1153-7. [DOI: 10.5588/ijtld.14.0826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Khandelwal D, Gupta N, Mukherjee A, Lodha R, Singh V, Grewal H, Bhatnagar S, Singh S, Kabra S. Authors' responses. Indian J Med Res 2015; 141:842-3. [PMID: 26415245 PMCID: PMC4525415 DOI: 10.4103/0971-5916.160730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- D. Khandelwal
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
| | - N. Gupta
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
| | - A. Mukherjee
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
| | - R. Lodha
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
- For correspondence:
| | - V. Singh
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
| | - H.M. Grewal
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
| | - S. Bhatnagar
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
| | - S. Singh
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
| | - S.K. Kabra
- Department of Pediatrics, All India Institute of Medical Science Ansari Nagar, New Delhi 110 029, India
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Lodha R, Mukherjee A, Saini D, Saini S, Singh V, Singh S, Grewal HMS, Kabra SK. Role of the QuantiFERON®-TB Gold In-Tube test in the diagnosis of intrathoracic childhood tuberculosis. Int J Tuberc Lung Dis 2014; 17:1383-8. [PMID: 24125438 DOI: 10.5588/ijtld.13.0348] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING Tertiary care hospitals in India. OBJECTIVE To compare the performance of the QuantiFERON®-TB Gold In-Tube test (QFT-GIT) with that of the tuberculin skin test (TST) in the diagnosis of intrathoracic childhood tuberculosis (TB). METHODS Children with intrathoracic TB were enrolled in a randomised controlled trial studying micronutrient supplementation in intrathoracic TB. They underwent TST and QFT-GIT before starting daily anti-tuberculosis treatment. RESULTS Of 362 children (median age 115.5 months, IQR 73-144, 55% girls) enrolled in the study, microbiological confirmation of TB was obtained in 128 (35%). The TST was positive in 337 (93%, 95%CI 90-95.5) and QFT-GIT in 297 (82%, 95%CI 77.8-85.6). Sensitivity of TST and QFT-GIT in culture-confirmed TB cases was respectively 90.5% (95%CI 84.1-94.5) and 82.6% (95%CI 74.9-88.4). QFT-GIT positivity rate correlated with TST induration (P < 0.001). TST was influenced by the disease spectrum (P = 0.004) and the age of the children (P = 0.002); QFT-GIT remained unaffected by these factors. Bacille Calmette-Guérin immunisation status, weight-for-age Z-scores and microbiological confirmation of Mycobacterium tuberculosis did not influence the performance of either test. CONCLUSION In high-burden countries, QFT-GIT is comparable to TST and offers no added advantage in the diagnosis of childhood intrathoracic TB.
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Affiliation(s)
- R Lodha
- Department of Paediatrics, All India Institute of Medical Sciences (AIIMS), New Delhi, India
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Sharma VK, Raj D, Xess I, Lodha R, Kabra SK. Prevalence and risk factors for allergic bronchopulmonary aspergillosis in Indian children with cystic fibrosis. Indian Pediatr 2014. [DOI: 10.1007/s13312-014-0396-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Sharma VK, Raj D, Xess I, Lodha R, Kabra SK. Prevalence and risk factors for allergic bronchopulmonary aspergillosis in Indian children with cystic fibrosis. Indian Pediatr 2014; 51:295-297. [PMID: 24825267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVES Allergic bronchopulmonary aspergillosis (ABPA) is a common complication in patients with cystic fibrosis. This cross-sectional study was planned to determine the prevalence and risk factors for ABPA in Indian children with cystic fibrosis. METHODS Clinical evaluation, spirometry, chest radiograph, sputum, total IgE, specific IgE for Aspergillus fumigatus, IgG precipitins and skin prick tests were done in 33 CF patients. RESULTS Prevalence of allergic bronchopulmonary aspergillosis was 18.2% (95% CI 6.9% - 35.4%): allergic bronchopulmonary aspergillosis was higher in patients with low cystic fibrosis score, age >12 years, atopy, and eosinophilia. CONCLUSION Prevalence of ABPA is higher in Indian children with cystic fibrosis.
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Affiliation(s)
- V K Sharma
- Department of Pediatrics and * Microbiology, All India Institute of Medical Sciences, New Delhi, India. Correspondence to: Dr Varun K Sharma, Senior Resident, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi 110 029, India.
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Mukherjee A, Saini S, Kabra SK, Gupta N, Singh V, Singh S, Bhatnagar S, Saini D, Grewal HMS, Lodha R. Effect of micronutrient deficiency on QuantiFERON-TB Gold In-Tube test and tuberculin skin test in diagnosis of childhood intrathoracic tuberculosis. Eur J Clin Nutr 2014; 68:38-42. [PMID: 24169461 DOI: 10.1038/ejcn.2013.216] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 09/11/2013] [Accepted: 09/26/2013] [Indexed: 02/07/2023]
Abstract
BACKGROUND/OBJECTIVES Data on performance of QuantiFERON-TB Gold In-Tube test (QFT) and tuberculin skin test (TST) in children with active tuberculosis from high burden countries in the context of micronutrient deficiency are scarce. The objective of this study was to evaluate the effect of micronutrient deficiency on the performance of TST and QFT in children with intrathoracic tuberculosis. SUBJECTS/METHODS Children with probable intrathoracic tuberculosis underwent TST, QFT, gastric lavages and induced sputum examination for AFB (Acid-Fast Bacilli) smear and culture. Zinc, copper, ferritin and vitamin D were measured on stored serum samples. The study used cross-sectional data at initiation of anti-tubercular therapy. RESULTS Three hundred and sixty-two children (median age 115.5 months (interquartile range: 73, 144), 200 (55.3%) girls) were enrolled in the study. Microbiological confirmation of tuberculosis could be obtained in 128 patients. TST and QFT were positive in 337 (93%) and 297 (82%) children, respectively. Performance of both the tests was unaffected by weight-for-age and height-for-age 'z-scores' or by serum copper levels. TST was not affected by serum zinc and ferritin levels. Children with negative QFT results had lower mean serum zinc level (P=0.01) and higher ferritin levels (P=0.007) as compared to those with positive test. Higher proportion of children with positive TST were vitamin D deficient/insufficient (P=0.003). CONCLUSION Micronutrient status, especially serum levels of zinc, may influence the performance of QFT in children with intrathoracic tuberculosis. Considering the high prevalence of zinc deficiency in developing countries, QFT should be used cautiously for diagnosing tuberculosis.
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Affiliation(s)
- A Mukherjee
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - S Saini
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - S K Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - N Gupta
- Department of Endocrinology, All India Institute of Medical Sciences, New Delhi, India
| | - V Singh
- Department of Pediatrics, Kalawati Saran Children Hospital and Lady Hardinge Medical College, New Delhi, India
| | - S Singh
- Division of Clinical Microbiology and Molecular Medicine, Department of Laboratory Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - S Bhatnagar
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - D Saini
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - H M S Grewal
- 1] Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway [2] Department of Microbiology, Haukeland University Hospital, Bergen, Norway
| | - R Lodha
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
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Sinha A, Yadav AK, Chakraborty S, Kabra SK, Lodha R, Kumar M, Kulshreshtha A, Sethi T, Pandey R, Malik G, Laddha S, Mukhopadhyay A, Dash D, Ghosh B, Agrawal A. Exosome-enclosed microRNAs in exhaled breath hold potential for biomarker discovery in patients with pulmonary diseases. J Allergy Clin Immunol 2013; 132:219-22. [PMID: 23683467 DOI: 10.1016/j.jaci.2013.03.035] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2012] [Revised: 02/01/2013] [Accepted: 03/06/2013] [Indexed: 01/15/2023]
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Prakash SS, Andrabi R, Kumar R, Lodha R, Kabra SK, Vajpayee M, Luthra K. Antibodies that cross-neutralize the tier-2 pseudoviruses are produced in antiretroviral-naïve HIV-1-infected children from northern India. Arch Virol 2012; 157:1797-801. [PMID: 22674340 DOI: 10.1007/s00705-012-1357-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Accepted: 04/23/2012] [Indexed: 10/28/2022]
Abstract
In this cross-sectional study, we evaluated the efficiency of the plasma of 38 antiretroviral-naïve HIV-1-infected children from northern India against a standard panel of pseudoviruses (3 clade C and 3 clade B) by TZM-bl assay. Neutralization potential was observed to a variable extent, with a potency ranging up to reciprocal ID(50) titers of 1967. Cross-neutralization was observed in 28.9 % (11/38) of the children. There was a significant positive correlation between viremia and neutralization efficiency against two of the viruses studied (Du172 r = 0.49; p = 0.007 and RHPA r = 0.47; p = 0.01), suggesting that persistent antigenic stimulation is necessary for the generation of broadly neutralizing antibody responses in these children. Further mapping of the epitope specificities of the neutralization determinants in the polyclonal plasma would provide important information for immunogen design.
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Affiliation(s)
- S S Prakash
- Department of Biochemistry, All India Institute of Medical Sciences, Room No. 3002, New Delhi 110029, India
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Sinha A, Krishnan V, Sethi T, Roy S, Ghosh B, Lodha R, Kabra S, Agrawal A. Metabolomic signatures in nuclear magnetic resonance spectra of exhaled breath condensate identify asthma. Eur Respir J 2012; 39:500-2. [PMID: 22298617 DOI: 10.1183/09031936.00047711] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Gupta A, Kapil A, Lodha R, Kabra SK, Sood S, Dhawan B, Das BK, Sreenivas V. Burden of healthcare-associated infections in a paediatric intensive care unit of a developing country: a single centre experience using active surveillance. J Hosp Infect 2011; 78:323-6. [PMID: 21676495 DOI: 10.1016/j.jhin.2011.04.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2010] [Accepted: 04/27/2011] [Indexed: 10/18/2022]
Abstract
Healthcare-associated infections (HAIs) are an important cause of morbidity and mortality among critically ill patients of all age groups. This prospective surveillance study was performed to estimate the burden of HAIs in a paediatric intensive care unit (PICU) of a developing country. During the 12-month study, 187 patients were treated in the PICU for ≥48h, of whom 36 patients had 44 episodes of HAIs. The crude infection rate and incidence density (ID) of HAI were 19.3/100 patients and 21/1,000 patient-days, respectively. Of the 44 episodes of HAI, 27 (61%) were healthcare-associated pneumonia (HAP), 12 (27%) were bloodstream infections (HA-BSI) and four (9%) were urinary tract infections. Mean length of stay and mortality were significantly higher in patients who developed an HAI [25 vs 7 days (P<0.0001) and 50% vs 27.8% (P<0.005), respectively]. Acinetobacter spp. were the commonest infecting bacteria in both HAP and HA-BSI. For developing countries, active surveillance is essential to reduce the burden of HAIs in high risk groups.
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Affiliation(s)
- A Gupta
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
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Lodha R, Paul D, Nahar N, Bhagat VK, Joshi A, Lodha KM, Shrivastava A, Nandeshwar S. Association between reproductive factors and breast cancer in an urban set up at central India: A case-control study. Indian J Cancer 2011; 48:303-7. [DOI: 10.4103/0019-509x.84928] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ramesh Menon P, Lodha R, Sivanandan S, Kabra SK. Intermittent or daily short course chemotherapy for tuberculosis in children: Meta-analysis of randomized controlled trials. Indian Pediatr 2010; 47:67-73. [DOI: 10.1007/s13312-010-0009-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2008] [Accepted: 02/10/2009] [Indexed: 11/28/2022]
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Wadhwa J, Kabra S, Lodha R, Agarwal M. Sensitization of Moderate to Severe Persistent Pediatric Asthmatics to Various Aeroallergens and its Relationship with Severity of Asthma and Treatment Outcome- Preliminary Study. J Allergy Clin Immunol 2010. [DOI: 10.1016/j.jaci.2009.12.103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Gupta R, Thabah MM, Vaidya B, Gupta S, Lodha R, Kabra SK. Anti-cyclic citrullinated peptide antibodies in juvenile idiopathic arthritis. Indian J Pediatr 2010; 77:41-4. [PMID: 20135267 DOI: 10.1007/s12098-010-0006-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2008] [Accepted: 09/03/2009] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Prevalence and clinical significance of anti-cyclic citrullinated peptide (CCP) antibodies in Indian patients with juvenile idiopathic arthritis (JIA). METHODS Anti-CCP antibodies were determined by enzyme-linked immunosorbent assay (ELISA) in 78 patients with JIA which included all 3 major subtypes of the disease: pauciarticular, polyarticular afld systemic onset. Values above 5 relative units were taken as positive. Associations between anti-CCP antibodies and clinical and laboratory and radiological parameters were determined. RESULTS Anti-CCP antibodies were positive in only 2 of 34 (5.9%) patients with pauciarticular JIA and 3 of 17 (17.6%) of systemic,.pnset JIA, whereas it was positive in 13 of 27 (48.1%) of polyarticular JIA patients (p < 0.001). Furthermore, it was seen that among patients with polyarticular JIA, RF-lgM positive patients had higher rate of anti-CCP antibody positivity with 7 of 8 (87.5%) patients having positive anti-CCP antibody (p<0.001). Similarly, patients with erosions (11/19; p<0.001) and deformities (5/-10; p<0.001) were found to have significant association with anti-CCP antibody positivity. CONCLUSION Anti-CCP antibodies could be detected more frequently in the sera of JIA patients with severe manifestations like-erosions and deformity. It was also more significantly associated with seropositive polyarticular JIA than other types. It can be presumed from these results that anti-CCP antibodies can be used as a marker to predict severe course of JIA at the onset to guide optimal aggressive therapy.
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Affiliation(s)
- R Gupta
- Clinical Immunology and Rheumatology Services, New Delhi, India.
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Affiliation(s)
- S Dahiya
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - A Kapil
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - S K Kabra
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - P Mathur
- Department of Laboratory Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - S Sood
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - R Lodha
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - B K Das
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
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Affiliation(s)
- J Sankar
- Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
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Singhania N, Dhamija R, Lodha R, Kabra SK. Salmeterol vs. formoterol: a comparison of rapid bronchodilator effect in a randomized controlled trial. Indian Pediatr 2008; 45:225-228. [PMID: 18367770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We conducted this double blind randomized controlled trial to compare the rapid bronchodilator effect of salmeterol and formoterol in 60 children with stable asthma. Participants were randomized to receive either salmeterol (50 microg) (n=31) or formoterol (24 microg) (n=29) by metered dose inhaler and spacer. Spirometry was performed at baseline, at 30 minutes, and at 60 minutes. Bronchodilatation was assessed by changes in FEV(1) at 30 and 60 minutes. Baseline parameters were comparable in the two groups. There was no significant difference in the FEV(1) at 30 and 60 minutes between two groups. We conclude that salmeterol and formoterol both cause bronchodilator response at end of 60 minutes and are not different with regards to their rapid bronchodilator response.
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Affiliation(s)
- Namrata Singhania
- Pediatric Pulmonology Division, Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
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Abstract
Cystic fibrosis (CF) was considered to be non-existent in Indian subcontinent. Reports in last one decade have suggested that cystic fibrosis occurs in India but its precise magnitude is not known. Studies on migrant Indian population in United States and United Kingdom estimate frequency of CF as 1:10,000 to 1:40,000. The clinical features are similar to that reported in Caucasian population. CF in Indian children is usually diagnosed late and in advanced stage. Children are more malnourished and may have clinically evident deficiency of fat soluble vitamins. The frequency of clubbing, colonization with Pseudomonas, and laboratory evidence of pseudo-Bartter syndrome is relatively more at the time of diagnosis. Diagnostic facilities in form of sweat chloride estimation and genetic studies are not available readily. Mutation profile is different. The frequency of common mutation F508del in Indian children is between 19% and 34%. Other mutations are heterogeneous. Management of CF in India is difficult due to less number of trained manpower, limited availability, and high cost of pharmacologic agents. The determinants of early death include: severe malnutrition and colonization with Pseudomonas at the time of diagnosis, more than four episodes of lower respiratory infection per year and age of onset of symptoms before 2 months of age. To conclude, CF does occur in India; however, precise magnitude of problem is not known. There is need to create awareness amongst pediatricians, developing diagnostic facilities, and management protocols based on locally available resources.
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Affiliation(s)
- S K Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi 110029, India.
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Abstract
After the introduction of antiretroviral therapy, HIV infection in children has been transformed from an acute to a chronic illness. The number of HIV-infected children has also increased in recent years. The routes of transmission and clinical manifestation of HIV infection in children are unique and different from those of adults. There are a number of biological, psychological and social factors associated with HIV-infected child that may predispose him/her to develop psychiatric illness. However, there are very few studies on psychiatric morbidity in HIV-infected children. In the existing studies, a number of psychiatric illnesses including: depression, anxiety, disruptive disorders and hyperactive disorders have been observed in HIV-infected children. A number of variables have a bearing on psychiatric morbidity, including experience and expression of physical illness as well as adherence to medications. The physician dealing with HIV-infected children should be aware of the psychological manifestations so that appropriate interventions and referral may be made as needed.
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Affiliation(s)
- R Rao
- Department of Psychiatry, All India Institute of Medical Sciences, New Delhi, India.
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Abstract
Cystic fibrosis (CF), earlier believed to be non existent in non Caucasians, is now a pan ethnic disease, having being reported from various regions of the world over last one decade. Apart from limited resources, the major problems in diagnosis and management of CF in developing countries include: lack of awareness among pediatricians, absence of facilities for diagnosis (sweat chloride estimation and genetic studies), lack of trained manpower for care of specific problems, and non availability of appropriate drugs. Care of children with CF may not be a priority for governments in countries where childhood mortality rates are high, predominantly due to acute infections. An indigenously developed and relatively inexpensive method of sweat collection and chloride estimation using pilocarpine iontophoresis and titration, respectively, may be an alternative to the commercially available costly equipment. Having a team of trained nurse, physiotherapist, and dietician for optimal care of CF patients may not be feasible due to inadequate resources. Training a single person (e.g. nurse) to deliver comprehensive CF care may be a feasible alternative. To overcome problems of non availability of appropriate drugs (enzymes, inhaled antibiotics, DNAse, etc), locally available drugs may be used. Examples include use of hypertonic saline in place of DNAse, enteric coated enzyme tablets in place of enteric coated spherules, etc. Factors that are associated with decreased survival in CF patients from developing countries are age of onset of symptoms <2 months, severe malnutrition at the time of diagnosis, colonization with Pseudomonas at the time of diagnosis and frequency of pneumonia >4 episodes/year. All these factors can be modified except onset of symptoms before 2 months of age, by early diagnosis and appropriate treatment. Many of the above mentioned hurdles have been successfully overcome by us to establish CF services in a resource-limited setting. We conclude that education of pediatricians about the disease, early diagnosis using indigenous technology and aggressive physiotherapy with nutritional management and judicious use of antibiotics can improve the quality of life and survival in CF patients in resource-limited settings.
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Abstract
BACKGROUND Pneumonia is the leading cause of mortality in children. In developing countries, pneumonia is usually caused by bacterial pathogens. The early administration of empirical antibiotics improves the patients' clinical outcomes. There are currently no systematic reviews of clinical trials on this subject. OBJECTIVES To identify effective antibiotic drug therapy for community acquired pneumonia (CAP) in children by comparing various antibiotics. SEARCH STRATEGY We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library, Issue 4, 2005), MEDLINE (OVID) (1966 to January 2006) and EMBASE (WebSPIRS) (1990 to September 2005). There were no language restrictions. SELECTION CRITERIA Randomized controlled trials (RCTs) in children of either sex, which compared at least two antibiotics for CAP in hospital or ambulatory settings. DATA COLLECTION AND ANALYSIS Data from full articles of selected studies were independently extracted by two authors. MAIN RESULTS The review of these studies suggests that for treatment of pneumonia, co-trimoxazole is inferior in efficacy to both amoxycillin (failure rates odds ratio (OR) 1.33; 95% CI 1.05 to 1.67) and procaine penicillin (cure rates OR 2.64; 95% CI 1.57 to 4.45). Penicillin in conjunction with gentamycin was better than chloramphenicol alone (re-hospitalization rates OR 1.61; 95% CI 1.02 to 2.55). Co-amoxyclavulanic acid was better than amoxycillin alone (cure rates OR 10.44; 95% CI 2.85 to 38.21). There was no differences between injectable penicillin and oral amoxycillin (failure rates OR 1.03; 95% CI 0.81 to 1.31); azithromycin and erythromycin (cure rates OR 1.17; 95% CI 0.70 to 1.95); cefpodoxime and amoxycillin (cure rates OR 0.69; 95% CI 0.18 to 2.60); or azithromycin and co-amoxyclavulanic acid (cure rates OR 1.02; 95% CI 0.54 to 1.95, failure rates OR 1.42; 95% CI 0.43 to 4.66). AUTHORS' CONCLUSIONS There were many studies each investigating multiple antibiotics with different methodologies. For treatment of ambulatory patients with CAP, amoxycillin was better than co-trimoxazole; there was no difference between azithromycin and erythromycin, or between cefpodoxime and co-amoxyclavulanic acid. For hospitalized patients, procaine penicillin was better than co-trimoxazole; and the combination of penicillin and gentamycin was better than chloramphenicol alone. Injectable penicillin and oral amoxycillin had similar failure rates. For the rest of the antibiotics there were only single studies available. There is a need for more studies with large patient populations and similar methodologies in order to compare newer antibiotics.
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Affiliation(s)
- S K Kabra
- All India Institute of Medical Sciences, Department of Pediatrics, Ansari Nagar, New Delhi, India 110 029.
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Abstract
AIM To describe use of vasopressin infusion for catecholamine-refractory septic shock in children. METHODS We report successful use of vasopressin infusion in three children with septic shock, in whom hypotension and poor perfusion persisted despite use of multiple infusions of vasopressors and inotropes. RESULTS All three had a rapid improvement in hypotension and perfusion after starting vasopressin infusion, allowing tapering of other infusions. Two children recovered completely. CONCLUSIONS Vasopressin appears to be useful in treatment of catecholamine-refractory septic shock in children.
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Affiliation(s)
- A Vasudevan
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
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Abstract
Difficult asthma is defined as asthma that is not controlled despite treatment with> 800 micro g budesonide or equivalent per day. Poor control is defined as the need for bronchodilators more than three times a week, school absence of more than five days a term, or one episode or more of wheezing each month. Common causes of poor response to treatment include; wrong diagnosis, inappropriate medications or improper inhalation technique, poor adherence to medications and co-morbidity. Steroid resistant asthma is uncommon and estimated to be 1 in 1000-10000 asthmatic patients. If there is no functional improvement to prednisolone 2 mg/kg/day for 2 weeks with adherence checked by measuring serum prednisolone and cortisol levels, a fibreoptic bronchoscopic examination with bronchoalveolar lavage and large airway biopsy should be considered. Eosinophilic inflammation identified on the biopsy in a child who is unresponsive to prednisolone may benefit from alternative anti-inflammatory treatments such as cyclosporin. Neutrophilic infiltration in biopsy may benefit with macrolide antibiotics, 5-lipogenase inhibitors or theophyllines.
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Affiliation(s)
- S K Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India.
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Kabra SK, Alok A, Kapil A, Aggarwal G, Kabra M, Lodha R, Pandey RM, Sridevi K, Mathews J. Can throat swab after physiotherapy replace sputum for identification of microbial pathogens in children with cystic fibrosis? Indian J Pediatr 2004; 71:21-3. [PMID: 14979380 DOI: 10.1007/bf02725650] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To compare cultures throat swab after physiotherapy with results of sputum culture in identification of lower airway pathogens in children with cystic fibrosis. METHODS 387 samples of sputum cough swabs, throat swab and throat swab after physiotherapy were collected from 48 patients of cystic fibrosis and cultured for aerobic bacteria. The results of cultures of cough swabs, throat swab and throat swab after physiotherapy were compared with results of sputum culture. RESULTS There was good concordance between culture results of sputum and other methods. Over all concordance was 70%, 81% and 92% with cough swab, throat swab and throat swab after physiotherapy. Sensitivity for isolation of Pseudomonas aeruginosa by throat swab, cough swab and throat swab after physiotherapy was 40%, 42% and 82% respectively. Specificity for isolation of Pseudomonas by throat swab, cough swab and throat swab after physiotherapy was 99%, 100% and 99% respectively. Sensitivity for isolation of Staphylococcus aureus by throat swab, cough swab and throat swab after physiotherapy was 57%, 50% and 100% respectively. Specificity for isolation of Staphylococcus by throat swab, cough swab and throat swab after physiotherapy was 99% for all these methods. CONCLUSION It is concluded that throat swab after physiotherapy in a child with CF can be used reliably for identification of lower airway pathogens.
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Affiliation(s)
- S K Kabra
- Department of Pediatrics and Microbiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India.
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Abstract
AIM To study the clinical profile and describe the predisposing causes of recurrent pneumonia in Indian children. METHODS The clinical details and the investigations of children presenting with recurrent pneumonia to the paediatric chest clinic services of a tertiary care centre in northern India were reviewed. RESULTS Seventy children (44M, 26F) presented with recurrent pneumonia over a period of 5 y. Based on the clinical features and the results of the investigations, underlying illness could be identified in 59 children (84%). The most frequent underlying cause for recurrent pneumonia was recurrent aspiration (24.2%), followed by immunodeficiency (15.7%), asthma (14.2%) and structural anomalies (8.6%). CONCLUSION The underlying cause of recurrent pneumonia was identified in more than 80% of children. Recurrent aspirations were the most common cause.
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Affiliation(s)
- R Lodha
- Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
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MESH Headings
- Child
- Child, Preschool
- Diagnosis, Differential
- Female
- Humans
- India
- Infant
- Male
- Neurocysticercosis/diagnostic imaging
- Neurocysticercosis/drug therapy
- Tomography, X-Ray Computed
- Tuberculoma, Intracranial/diagnostic imaging
- Tuberculoma, Intracranial/drug therapy
- Tuberculosis, Lymph Node/diagnostic imaging
- Tuberculosis, Lymph Node/drug therapy
- Tuberculosis, Meningeal/diagnostic imaging
- Tuberculosis, Meningeal/drug therapy
- Tuberculosis, Pulmonary/diagnostic imaging
- Tuberculosis, Pulmonary/drug therapy
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Affiliation(s)
- A Bajpayee
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
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Kabra SK, Kabra M, Gera S, Lodha R, Sreedevi KN, Chacko S, Mathew J, Shastri S, Ghosh M. An indigenously developed method for sweat collection and estimation of chloride for diagnosis of cystic fibrosis. Indian Pediatr 2002; 39:1039-43. [PMID: 12466575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
Abstract
An indigenously developed method for sweat collection and titration method for estimation of chloride was validated. The mean difference in estimated chloride value from the known strength of saline in 50 samples was -1.04 +/- 4.13 mEq/L (95% CI: -0.07 to 2.28). The mean difference in the estimated chloride values between two observers when the test was performed on known strengths of saline solution was -2.5 +/- 4.24 mEq/L (95% CI: -3.67 to 1.33). The inter observer variability between two observers when the test was performed on sweat samples obtained from 50 individuals was -1.12 +/- 4.34 mEq/L (95% CI: -2.23 to 0.8 ). Sweat weight of more than 100 mg could be collected in first attempt in 602 of 757 (80%) patient with an average sweat weight of 230 mg. This inexpensive method of sweat collection and chloride estimation has acceptable accuracy and repeatability and can be used in resource poor setting for making a diagnosis of cystic fibrosis.
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Affiliation(s)
- S K Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi 110 029, India.
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Abstract
Acute respiratory infections accounts for 20-40% of outpatient and 12-35% of inpatient attendance in a general hospital. Upper respiratory tract infections including nasopharyngitis, pharyngitis, tonsillitis and otitis media constitute 87.5% of the total episodes of respiratory infections. The vast majority of acute upper respiratory tract infections are caused by viruses. Common cold is caused by viruses in most circumstances and does not require antimicrobial agent unless it is complicated by acute otitis media with effusion, tonsillitis, sinusitis, and lower respiratory tract infection. Sinusitis is commonly associated with common cold. Most instances of rhinosinusitis are viral and therefore, resolve spontaneously without antimicrobial therapy. The most common bacterial agents causing sinusitis are S. pneumoniae, H. influenzae, M. catarrhalis, S. aureus and S. pyogenes. Amoxycillin is antibacterial of choice. The alternative drugs are cefaclor or cephalexin. The latter becomes first line if sinusitis is recurrent or chronic. Acute pharyngitis is commonly caused by viruses and does not need antibiotics. About 15% of the episodes may be due to Group A beta hemolytic streptococcus (GABS). Early initiation of antibiotics in pharyngitis due to GABS can prevent complications such as acute rheumatic fever. The drug of choice is penicillin for 10-14 days. The alternative medications include oral cephalosporins (cefaclor, cephalexin), amoxicillin or macrolides.
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Affiliation(s)
- Neemisha Jain
- Present Address: Department of Pediatrics, Division of Pediatric Pulmonology, All India Institute of Medical Sciences, 110029 New Delhi, India
| | - R. Lodha
- Present Address: Department of Pediatrics, Division of Pediatric Pulmonology, All India Institute of Medical Sciences, 110029 New Delhi, India
| | - S. K. Kabra
- Present Address: Department of Pediatrics, Division of Pediatric Pulmonology, All India Institute of Medical Sciences, 110029 New Delhi, India
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Broor S, Pandey RM, Ghosh M, Maitreyi RS, Lodha R, Singhal T, Kabra SK. Risk factors for severe acute lower respiratory tract infection in under-five children. Indian Pediatr 2001; 38:1361-9. [PMID: 11752733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
BACKGROUND Acute lower respiratory infection (ALRTI) is the leading cause of death in children below five years of age. Identification of modifiable risk factors of severe ALRTI may help in reducing the burden of disease. METHODS A hospital based case control study was undertaken to determine risk factors associated with severe lower respiratory tract infection (LRTI) in under-five children. A case definition of severe ALRTI as given by World Health Organization (WHO) was used for cases. Healthy children attending Pediatrics out patient department for immunization during study period were enrolled as controls. Details of potential risk factors in cases and controls were recorded in pre-designed proforma. RESULTS 512 children including 201 cases and 311 controls were enrolled in the study. On stepwise logistic regression analysis it was found that lack of breastfeeding (OR: 1.64; 95 percent CI: 1.23-2.17); upper respiratory infection in mother (OR: 6.53; 95 percent CI: 2.73-15.63); upper respiratory infection in siblings (OR: 24; 95 percent CI: 7.8-74.4); severe malnutrition (OR: 1.85; 95 percent CI: 1.14-3.0); cooking fuel other than liquid petroleum gas (OR: 2.5; 95 percent CI: 1.51-4.16); inappropriate immunization for age (OR: 2.85; 95 percent CI 1.59-5.0) and history of LRTI in the family (OR 5.15, 95 percent CI 3.0-8.8) were the significant contributors of ALRTI in children under five years. Sex of the child, age of the parents, education of the parents, number of children at home, anemia, inadequate caloric intake, type of housing were not documented to be significant risk factors of ALRTI. CONCLUSION Lack of breast-feeding, upper respiratory infection in mother, upper respiratory infection in siblings, severe malnutrition, cooking fuel other than liquid petroleum gas, inappropriate immunization for age and history of LRTI in the family were the significant risk factors associated with ALRTI
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Affiliation(s)
- S Broor
- Department of Microbiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029, India
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Lodha R, Kabra SK, Pandey RM. Acute respiratory distress syndrome: experience at a tertiary care hospital. Indian Pediatr 2001; 38:1154-9. [PMID: 11677305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Affiliation(s)
- R Lodha
- Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029, India.
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Jain N, Puranik M, Lodha R, Kabra SK. Long-term management of asthma. Indian J Pediatr 2001; 68 Suppl 4:S31-41. [PMID: 11980467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Long-term management of asthma includes identification and avoidance of precipitating factors of asthma, pharmacotherapy and home management plan. Common precipitating factors include viral upper respiratory infections, exposure to smoke, dust, cold food and cold air. Avoidance of common precipitating factors has been shown to help in better control of asthma. Pharmacotherapy is the main stay of treatment of asthma. Commonly used drugs for better control of asthma are long and short acting bronchodilators, mast cell stabilizers, inhaled steroids, theophylline and steroid sparing agents. After assessment of severity most appropriate medications are selected. For mild episodic asthma the medications are short acting beta agonists as and when required. For mild persistent asthma: as and when required bronchodilators along with a daily maintenance treatment in form of low dose inhaled steroids or cromolyn or oral theophylline or ketotifen are required. Moderate persistent asthma should be treated with inhaled steroids along with long acting beta agonists for symptom control. For severe persistent asthma the recommended treatment includes inhaled steroids, long acting beta agonists with or without theophylline. If symptoms are not well controlled, a minimal dose of oral prednisolone preferably on alternate days may be needed in few patients. Newer drugs like leukotriene antagonists may find a place in control of exercise-induced bronchoconstriction and mild and moderate persistent asthma. Patients should be followed up every 8-12 weeks. On each follow up visit patients should be examined by a doctor, compliance to medications should be checked and actual inhalation technique is observed. Depending on the assessment, medications may be decreased or stepped up. For exercise induced bronchoconstriction: cromolyn, short or long acting beta agonists may be used. In children with seasonal asthma, maintenance treatment according to assessed severity should be started 2 weeks in advance and continued throughout the season. These patients should be reassessed after discontinuing the treatment. Parents should be given a written plan for management of acute exacerbation at home.
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Affiliation(s)
- N Jain
- Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
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Kabra SK, Singhal T, Lodha R. Pneumonia. Indian J Pediatr 2001; 68 Suppl 3:S19-23. [PMID: 11980455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Pneumonia is the leading cause of mortality and a common cause of morbidity in children below five years of age. Commonly, pneumonia is caused by bacterial agents. The diagnosis of pneumonia is usually made on clinical features. A child with tachypnea with no chest in-drawing or difficulty in feeding is labeled as pneumonia. Presence of chest in-drawing, difficulty in speech, feeding or cyanosis classifies a child as suffering from severe or very severe pneumonia. Factors that may help in selection of appropriate antibiotics include: knowledge of etiological agents, sensitivity of pathogens to antibiotics, severity of the disease, immune status, nutritional status, previous antimicrobial usages, history of hospitalization, duration of illness, associated complications and cost and safety of antibiotics. For selection of antibiotics pneumonia can be classified in two major categories (a) community acquired, without risk factors, and (b) pneumonia with risk factors. Both these can be further classified as non severe and severe illness. A community acquired pneumonia in a child between 2 months -60 months without risk factors for resistant or atypical organism may be treated with amoxicillin. The alternative to amoxicillin includes oral cephalosporins and cotrimoxazole. In pneumonia with presence of risk factors the antibiotics are decided on basis of individual patients characteristics. A child with non-severe pneumonia should be treated with oral cefuroxime or amoxicillin clavulinic acid for a period of 7-14 days.
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Affiliation(s)
- S K Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi.
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Lodha R, Jain Y, Anand K, Kabra SK, Pandav CS. Hepatitis B in India: a review of disease epidemiology. Indian Pediatr 2001; 38:349-71. [PMID: 11313505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Affiliation(s)
- R Lodha
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi 110 029
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Kabra SK, Lodha R, Singhal T. Chronic obstructive pulmonary disease in children. Indian J Pediatr 2001; 68 Suppl 2:S50-4. [PMID: 11411378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Chronic obstructive pulmonary disease is not a well defined entity in children. A child presenting with chronic cough and wheezing should be investigated for asthma, recurrent aspiration airway compressions, chronic infection, cystic fibrosis and immune deficiency. If a specific cause is not identified; search should be made for environmental factors such as passive smoking, air pollution and irritants. The therapeutic option for patients with chronic productive cough without specific etiology include control of environmental factors, bronchodilators and chest physiotherapy.
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Affiliation(s)
- S K Kabra
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi.
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Abstract
Pulmonary function tests are objective evidence of the severity of asthma. A cross-sectional study was carried out to determine the sensitivity of various pulmonary function indices in picking up clinically diagnosed mild and severe asthma. Three groups, each with 60 subjects between 5 and 15 years all of either sex, with mild asthma, severe asthma, and without asthma, respectively, were studied. Pulmonary function tests were performed using a portable spirometer. FEV1 and FVC could differentiate mild asthma from non-asthmatic children in 38 (63 per cent) and 35 (58 per cent), respectively. FEF25% and FEF75% could identify 46 (77 per cent), and 47 (78 per cent) of mild asthmatic children. In children with severe asthma, FEV1, FVC, FEF25%, and FEF75% were abnormal in 54 (90 per cent), 48 (80 per cent), 58 (97 per cent) and 56 (94 per cent), respectively. Peak expiratory flow rate was abnormal in 77 per cent of mild and 87 per cent of severe asthmatics. The FEV1/FVC ratio showed no significant difference between asthmatics and non-asthmatics. It is concluded that FEF25% and FEF75% are better indices for assessment of severity of asthma than FEV1 and FVC. The ratio FEV1/FVC is not useful.
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Affiliation(s)
- V H Ratageri
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi
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Singhal T, Garg H, Arora HS, Lodha R, Pandey RM, Kabra SK. Efficacy of a home-made spacer with acute exacerbation of bronchial asthma: a randomized controlled trial. Indian J Pediatr 2001; 68:37-40. [PMID: 11237234 DOI: 10.1007/bf02728855] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Metered dose inhaler (MDI) with spacer is the preferred method for administration of aerosolized medications in pediatric asthma. The expense of commercial spacers limits their use and indigenous alternatives have therefore been developed. Information on the clinical efficacy of home-made spacers is limited. This study was conducted to compare the efficacy of a valve-less home-made spacer with a commercial spacer in delivering salbutamol via MDI in acute asthma. Asthmatic children aged 5-15 years who presented with an acute exacerbation to the pediatric chest clinic of a tertiary care hospital were enrolled in a single blinded randomized parallel group study. The study patients received 10 puffs of salbutamol (100 microg/puff) via MDI-home-made spacer or MDI-commercial spacer. Pre and post inhalation measurements of peak expiratory flow rate (PEFR), oxygen saturation (SaO2), respiratory rate (RR), pulse rate (PR) were made and compared. Sixty children were enrolled in the study, 31 were administered salbutamol via the home-made spacer and 29 via the commercial spacer. The median increase in PEFR was similar in both the groups (20.8% vs 22.2%, p=0.4), clinical improvement being satisfactory in all patients. The valve-less home-made spacer is equally efficacious and cheaper than the commercial spacer in administering bronchodilators in acute exacerbations of asthma. Further studies on the efficacy of home-made spacer in delivery of inhaled steroids are needed.
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Affiliation(s)
- T Singhal
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi
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Jain Y, Lodha R, Tomar S, Arya LS, Kabra SK. Oral acyclovir in varicella zoster virus infections in children with acute lymphoblastic leukemia. Indian Pediatr 2000; 37:1239-41. [PMID: 11086306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- Y Jain
- Department of Pediatrics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029, India
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