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1.
Indian Pediatr ; 2014 Dec; 51(12): 1000-1002
Article Dans Anglais | IMSEAR | ID: sea-170960

Résumé

Objective: This cross-sectional study determined the CD4, CD8 counts and serum immunoglobulins in transfusion dependent β - thalassemic patients, and correlated them with anti-HIV, anti-HCV and HBsAg status, number of transfusions, iron overload and splenectomy. Methods: Patients with acute or chronic diseases (except HIV, Hepatitis B and C), on immunosuppressive drugs or vaccinated within one month prior to study were excluded. CD4, CD8 counts and serum Immunoglobulins were documented. Results: Increasing transfusions led to higher IgA and IgM as well as a decline in CD4 and CD8 levels. Higher ferritin correlated with high IgM. CD4, CD8 and IgA were significantly higher in splenectomized subjects. HCV correlated significantly with lower IgA values. Conclusion: Higher transfusion requirement, iron overload, splenectomy and HCV infection correlated with alterations in different immunological parameters.

2.
J Postgrad Med ; 1997 Apr-Jun; 43(2): 38-40
Article Dans Anglais | IMSEAR | ID: sea-117232

Résumé

The effect of closed mitral valvotomy on the spirometric pulmonary functions was studied in 25 patients with mitral stenosis. The tests were performed before and after operation, the latter at varying intervals (4 to 6 weeks and 8 to 12 months). The preoperative values were considerably low. After 4 to 6 weeks following surgery, further significant reduction in Forced Vital Capacity (FVC) and Forced Expiratory Volume in one second (FEV1) was observed. This was ascribed to the residual healing process and thoracotomy pain. However, Forced expiratory flow rate during mid segment of FVC (FEF25-75%), which reflects obstruction in small airways, did not show any variation. There was improvement in all the above parameters, 8-12 months after surgery. This suggests definite reversibility in the pulmonary functions following valvotomy.


Sujets)
Adulte , Femelle , Volume expiratoire maximal par seconde , Humains , Mâle , Sténose mitrale/physiopathologie , Complications postopératoires , Études prospectives , Spirométrie , Capacité vitale
3.
J Postgrad Med ; 1993 Jan-Mar; 39(1): 26-8
Article Dans Anglais | IMSEAR | ID: sea-116630

Résumé

Thirty patients (ASA I or II) requiring spine surgery under general anesthesia were studied. To induce hypotension, halothane 0.5 to 2.5% (n = 15) or nitroglycerin infusion (1-2 micrograms/kg/min) (n = 15) was used. The parameters studied were blood pressure, blood loss, operating time and recovery score. The systolic blood pressure was maintained between 80-100 mmHg during surgery in both the groups. The blood loss with nitroglycerin was significantly less (202 +/- 114 ml) than halothane group (602 +/- 312 ml). All the patients were alert at the end of surgery in the nitroglycerin group (recovery score 9.8 +/- 0.76) as against the halothane group (7.98 +/- 0.9 p < 0.01). Tachycardia or tachyphylaxis was not observed with nitroglycerin. This study suggests that continuous intravenous infusion of nitroglycerin is effective and safe in reducing blood loss and operating time during spine surgery.


Sujets)
Adulte , Anesthésie générale , Perte sanguine peropératoire , Pression sanguine , Halothane , Humains , Hypotension contrôlée , Adulte d'âge moyen , Nitroglycérine/administration et posologie , Rachis/chirurgie
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