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2008| October-December | Volume 3 | Issue 4
September 27, 2008
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Congenital bronchopulmonary malformations: A single-center experience and a review of literature
Basant Kumar, Leela D Agrawal, Shyam B Sharma
October-December 2008, 3(4):135-139
To present a single-center experience with 25 cases of bronchopulmonary malformations and the review the literature.
Materials and Methods:
We conducted a retrospective analysis of the medical records of patients with congenital bronchopulmonary malformations who were operated between July 1997 and July 2007 in our institute; we examined the modes of presentations, management, and outcome. Outcome of all patients was assessed over a short follow-up period (average 1.8 months).
Out of 25 patients, 18 (72%) were male and 7 (28%) were female. Age of patients ranged from 1 day to 11 years. The histopathological diagnosis was congenital cystic adenomatoid malformations [CCAM; n = 14 (56%)], congenital lobar emphysema [CLE; n = 5 (20%)], pulmonary sequestrations [PS; n = 3 (12%)], and bronchogenic cysts [BC; n = 3 (12%)]. Antenatal diagnosis was available in only 2 (8%) patients. The common presenting symptoms were respiratory distress and chest infections. Lobectomy was the procedure of choice . Mortality was 16% (n = 4; M: F = 3: 1). Two patients died because of overwhelming sepsis, one from compromised cardiac function, and one from aspiration which might possibly have been prevented.
Patients with progressive respiratory distress due to these anomalies may require urgent surgical intervention regardless of age. The surgical outcome is favorable, with manageable complications. Plain x-ray chest and CT of thorax are usually sufficient for diagnosis and planning of treatment. Pathological diagnosis may differ from the imaging diagnosis. Mortality is found to be more in neonates. Apart from initial stabilization, resection of lesion and careful postoperative care is necessary to reduce mortality and morbidity.
Isoniazid- and ethambutol-induced psychosis
R Prasad, Rajiv Garg, Sanjay Kumar Verma
October-December 2008, 3(4):149-151
Most cases of antituberculous agent-associated psychoses were caused by isoniazid (INH), with ethambutol (EMB)-induced psychosis being rare. The concomitant occurrence of INH- and EMB- induced psychosis and in a single individual is extremely uncommon. We report a case of 28-year-old male who developed psychotic symptoms on start of EMB initially and later on INH also. He was prescribed rifampicin, pyrazinamide, and ofloxacin and had no further psychotic symptoms.
Comparison of clinicoradiologic manifestation of nonspecific interstitial pneumonia and usual interstitial pneumonia/idiopathic pulmonary fibrosis: A report from NRITLD
Saeid Fallah Tafti, Bahareh Mokri, Foroozan Mohammadi, Mehrdad Bakhshayesh-Karam, Habib Emami, Mohammad Reza Masjedi
October-December 2008, 3(4):140-145
Ever since Katzenstein and Fiorelli introduced the term nonspecific interstitial pneumonia (NSIP) to denote those cases of interstitial pneumonia that cannot be categorized as any of the other types of idiopathic interstitial pneumonias (IIP), there has been continuing debate on whether it is a real clinical entity or not. The American Thoracic Society/European Respiratory Symposium task group tried to identify idiopathic NSIP as a separate disease and exclude it from the category of IIP. However, it appears that the clinical presentation of NSIP and usual interstitial pneumonia (UIP) are the same.
To show that the radiologic features of NSIP and UIP should be relied upon, instead of clinical presentation and pathologic findings, to differentiate between the two.
Materials and Methods:
Consecutive patients who had received a diagnosis of either NSIP or UIP on the basis of open lung biopsy between January 2001 and December 2007 were identified for inclusion in this retrospective review. The study included 61 subjects: 32 men and 29 women with a mean age of 59.39 ± 14.5 years. Chest computed tomography images of all the cases were collected for a review. High resolution computed tomography (HRCT) and all pathologic specimens were also evaluated. A weighted kappa coefficient was used to evaluate whether radiology can be used instead of biopsy for the diagnosis of NSIP and UIP. Comparison of the mean ages and the time intervals (i.e., interval between symptom onset and the time of diagnosis) in the UIP and NSIP groups was done using the Mann-Whitney U test. Association between gender and biopsy result was evaluated by the Fisher exact test. Data were evaluated using SPSS, v.13.
Sixty-one patients were included in this study, 32 were male and 29 were female. On the basis of biopsy findings, 50 (82%) patients had UIP and 11 (18%) had NSIP. Thirty (60%) of the 50 patients who had UIP were male and 20 (40%) were female; 2 (18.2%) of the 11 patients who suffered from NSIP were male and 9 (81.8%) were female. Based on HRCT findings, 36 (60%) patients were diagnosed to have UIP and 24 (40%) were diagnosed with NSIP. When diagnosis was based on biopsy findings, the time interval in the UIP group was 13.59 ± 8.29 months and in the NSIP group it was 7.90 ± 4.18 months. When diagnosed on the basis of HRCT findings, the time interval in the UIP group was 14.22 ± 8.94 months and in the NSIP group it was 10.54 ± 5.78 months. When diagnosis was on the basis of biopsy, the mean age in the UIP group was 61.30 ± 14.18 years and in the NSIP group it was 50.73 ± 13.14 years.
HRCT can be used instead of invasive methods like lung biopsy to differentiate between UIP and NSIP.
Avian influenza: The tip of the iceberg
October-December 2008, 3(4):154-157
For some years now, we have been living with the fear of an impending pandemic of avian influenza (AI). Despite the recognition, in 1996, of the global threat posed by the highly pathogenic H5N1 influenza virus found in farmed geese in Guangdong Province, China, planning for the anticipated epidemic remains woefully inadequate; this is especially true in developing countries such as Saudi Arabia. These deficiencies became obvious in 1997, with the outbreak of AI in the live animal markets in Hong Kong that led to the transmission of infection to 18 humans with close contact with diseased birds; there were six reported deaths.
In 2003, with the reemergence of H5N1 (considered the most likely AI virus) in the Republic of Korea and its subsequent spread to Thailand, Vietnam, Hong Kong and China. Many countries started aggressively making preparations to meet the threat.
The pressure for real action from governments has increased. Most developed countries have requested increased funding for the search for a more effective vaccine, for stockpiling possibly helpful antiviral drugs, and for intensifying domestic and global surveillance.
Most countries, however, continue to be inadequately prepared for such an epidemic, especially with regard to animal surveillance in the farm market and surveillance among migratory birds. Even now, most countries do not have the ability to detect disease among humans in the early stages of an outbreak nor do most hospitals comply with effective infection control measures that could curtail the spread of the virus in the early stages of an epidemic. In Saudi Arabia we are rapidly implementing many of these measures.
Evaluation of brain stem auditory evoked potentials in stable patients with chronic obstructive pulmonary disease
Prem Parkash Gupta, Sushma Sood, Atulya Atreja, Dipti Agarwal
October-December 2008, 3(4):128-134
Though there are few studies addressing brainstem auditory evoked potentials (BAEP) in patients with chronic obstructive pulmonary disease (COPD),
BAEP abnormalities in stable COPD patients have not been studied. The present study aimed to evaluate the BAEP abnormalities in this study group.
Materials and Methods :
In the present study, 80 male subjects were included: COPD group comprised 40 smokers with stable COPD with no clinical neuropathy; 40 age-matched healthy volunteers served as the control group. Latencies of BAEP waves I, II, III, IV, and V, together with interpeak latencies (IPLs) of I-III, I-V, and III-V, and amplitudes of waves I-Ia and V-Va were studied in both the groups to compare the BAEP abnormalities in COPD group; the latter were correlated with patient characteristics and Mini-Mental Status Examination Questionnaire (MMSEQ) scores to seek any significant correlation.
: Twenty-six (65%) of the 40 COPD patients had BAEP abnormalities. We observed significantly prolonged latencies of waves I, III, V over left ear and waves III, IV, V over right ear; increased IPLs of I-V, III-V over left ear and of I-III, I-V, III-V over right side. Amplitudes of waves I-Ia and V-Va were decreased bilaterally. Over left ear, the latencies of wave I and III were significantly correlated with FEV
; and amplitude of wave I-Ia, with smoking pack years. A weak positive correlation between amplitude of wave I-Ia and duration of illness; and a weak negative correlation between amplitude of wave V-Va and MMSEQ scores were seen over right side.
We observed significant subclinical BAEP abnormalities on electrophysiological evaluation in studied stable COPD male patients having mild-to-moderate airflow obstruction.
Ectopia cordis associated with Cantrell's pentalogy
Basant Kumar, Chetan Sharma, Devendra D Sinha, Sumanlata
October-December 2008, 3(4):152-153
Cantrell's pentalogy with ectopia cordis is an extremely rare and lethal congenital anomaly, with a reported incidence of 1:100000 births in developed countries. We report a neonate who presented with ectopia cordis along with cleft lower sternum, upper abdominal wall defect, ectopic umbilicus, diaphragmatic defect, and interventricular septal defect. The neonate had respiratory distress with peripheral cyanosis and died because of acidosis and electrolyte imbalance before surgical intervention could be undertaken. We discuss the case and present a brief review of literature and of embryogenesis
Diagnosis of peripheral pulmonary carcinoid tumor using endobronchial ultrasound
Daniel P Steinfort, Moira Finlay, Louis B Irving
October-December 2008, 3(4):146-148
A 51-year-old woman with severe asthma underwent bronchoscopy and endobronchial ultrasound (EBUS) for investigation of a 15-mm peripheral lung nodule. Histology demonstrated a typical carcinoid tumor. Pulmonary location is the second commonest site for carcinoid tumors. Diagnosis of peripheral carcinoid tumor of the lung is difficult due to its small size, poor accuracy of cytologic diagnosis, and low sensitivity of positron emission tomography in detecting it. EBUS has a high diagnostic yield and a low complication rate in the evaluation of small solitary pulmonary nodules. The ultrasound appearance of carcinoid tumors is identical to that of lung carcinomas. Prompt diagnosis of carcinoid tumor is desirable as regional lymph node metastasis is seen in 10% of patients and is associated with a reduced 5-year survival. We feel that, where possible, all patients presenting with solitary pulmonary nodules should be investigated initially using EBUS due to its high diagnostic rate and the very low incidence of adverse events.
POSTGRADUATE CLINICAL SECTION
A female with fever and shortness of breath
Saurabh K Singh, Zuber Ahmad, Rakesh Bhargava, Deepak K Pandey
October-December 2008, 3(4):158-159
The first Saudi lung cancer guidelines
October-December 2008, 3(4):127-127
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