Publications by authors named "Mariano Montoya"

Hospital ancillary workers' opinion has credibility among the general public because they work on behalf of a hospital. The objective of this study is to analyze the attitude of ancillary employees toward living kidney donation and the variables that influence such attitude. A random sample of ancillary personnel (n=401) was taken and stratified according to type of service in a transplant hospital.

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Introduction: Mortality on the waiting list for liver transplants is high. Consequently, alternatives such as living donation are being sought. Therefore, one of the aspects that should be improved is the attitude of healthcare professionals toward this type of donation in order to create a favorable climate.

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Background: Many factors can cause morbidity and mortality in patients with severe acute lower gastrointestinal bleeding (LGIB). The objectives of this study are to analyze three aspects related to severe acute LGIB: (1) indications and prognostic factors for urgent surgery, (2) risk factors for morbidity and mortality, and (3) relapse rates.

Patients And Methods: A retrospective cohort was collected between 1985 and 2002 in a tertiary referral center.

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Introduction: There are no conclusive studies that would allow us to distinguish between patients with severe lower gastrointestinal hemorrhage (LGIH) who require emergency surgery and those who do not. The aim of the present study was to determine the clinical and epidemiological factors that would allow us to distinguish between severe LGIH requiring emergency surgery and self-limiting LGIH and to analyze the surgical management of these patients.

Material And Methods: We reviewed 175 patients with LGIH (severe rectal bleeding with a decrease in hematocrit > or = 10 points or transfusion of at least three units of packed red blood cells) treated between 1980 and 2002 and selected 28 patients (16%) who required emergency surgery.

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The objectives of this study were to analyse the results of surgical treatment of multinodular goiter (MG) in a population with under 30 yr of age; (2) to determine the incidence and evolution of related thyroid carcinomas; and (3) to evaluate the rate of relapse. Eighty-one patients operated for MG and under 30 yr of age were analyzed. The control group used consisted of 510 patients between 30 and 60 yr of age, operated on for MG.

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Age is a risk factor in acute lower gastrointestinal hemorrhages (LGIH). The objectives here were to analyze: (1) diagnostic and therapeutic handling, (2) related morbidity and mortality, (3) the indications for surgery, and (4) the evolution of acute LGIH in patients > or =80 years. Forty-three patients >80 years with acute LGIH were reviewed retrospectively.

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Background: Fine-needle aspiration (FNA) is a useful method for evaluating a solitary thyroid nodule; however, this is not an agreed method for a multinodular goitre (MNG). The aim of this study was to assess the utility of preoperative FNA for detecting malignancy in MNG.

Patients And Method: We analysed operated MNGs in which FNA had been performed.

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