Jeffrey M Rangel

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BACKGROUND In this prospective, randomized, double-blind study, we evaluated whether a very low dose of spinal bupivacaine could be sufficient for safe performance of short perianal surgery. METHODS Eighty patients were randomly assigned to receive hyperbaric bupivacaine doses of either 1.5 mg (n = 40) or 6.0 mg (n = 40). RESULTS The lower dose produced(More)
BACKGROUND The clinical significance of inflammation on the cervical Papanicolaou (Pap) smear of asymptomatic women is unknown. This study assessed the possible association between inflammation on Pap smears with the presence of cervical/vaginal pathogens. METHODS A questionnaire was given to 290 asymptomatic women seen for routine gynecologic(More)
STUDY OBJECTIVE To determine the epidemiology and clinical consequences of drug-resistant TB in Guatemala. DESIGN A prospective study conducted for 12 months. SETTING A thoracic referral hospital in western Guatemala. PATIENTS Three hundred and seventy-six patients with confirmed TB. RESULTS Of 376 confirmed cases, 335 (89%) were culture-positive.(More)
17125 Background: Small cell lung cancer (SCLC) is an aggressive disease characterized by rapid growth and early metastasis. Actually, the treatment of choice for advanced SCLC is cisplatin combined with etoposide. For these patients 9 to 12 months are the expected survival, overall response is 61%-78 % and complete response rate is 10%-14%. Despite of(More)
7355 Background: Lung cancer is a common disease in elderly patients. However, age alone is a very uncertain prognostic criteria for outcome and tolerance to treatment. Despite some meta-analysis have shown that performance status is a better criteria for treatment decision, elderly patients were poorly represented. METHODS We analyzed data from 82(More)
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