Search PubMed⌕ Search

Biomedical subjects

G Miño Fugarolas

Publications and source records attributed to G Miño Fugarolas.

At least 19 recordsLinked to original sources
PubMed2003

[Endoscopic dilatation of caustic esophageal strictures].

OBJECTIVE: To evaluate the results of endoscopic dilatation in caustic esophageal strictures and to analyze the factors associated with a favorable response. PATIENTS AND METHOD: We performed a retrospective study of 33 patients who underwent dilatation with Savary bougie between 1989 and 2001. Response to initial dilatation and outcome during follow-up were analyzed. RESULTS: The mean age was 50 years (8-83) and 58% were women. Intake was accidental in 29 (88%). In all patients, the caustic substance ingested was alkali. Dilatation was started in the acute phase in 12 patients (36%) and 13 presented inflammatory phenomena adjacent to the stenosis. During initial dilatation, 2 1.6 sessions (2-18) were performed and a favorable response was obtained in 18 patients (54%). At the end of follow-up, 68% of the patients presented satisfactory health status. The comparative study revealed that statistically significant variables for a favorable response to treatment were: accidental alkali intake, instauration of treatment in the chronic phase, absence of inflammatory phenomena, and a small number of initial dilatation sessions. CONCLUSIONS: In our series, more than half the patients with esophageal stenosis due to intake of corrosive alkalis showed a favorable initial response. In these patients with acute-phase stenosis who required a greater number of initial dilatation sessions, endoscopic therapy was less effective.

Adolescent↗
PubMed2001

[Doxycycline-induced esophageal ulcer].

We present the case of a 25-year-old woman who presented an esophageal ulcer due to doxycycline. We show the endoscopic image of the lesion and analyse the incidence, pathogenic mechanisms, symptomatology, diagnosis, treatment, and prevention of doxycycline-induced esophageal lesions.

Adult↗
PubMed2001

[Efficacy of fecal detection of Helicobacter pylori with the HpSA technique in patients with upper digestive hemorrhage].

BACKGROUND: The rapid urease test is the most commonly used test in the diagnosis of Helicobacter pylori infection in patients with upper gastrointestinal hemorrhage. However, some studies have suggested that results of this test are frequently false negative when blood is present. An effective new enzyme immunoassay for determining H. pylori antigens in stools has recently begun to be used. AIM: To determine the efficacy of the H. pylori stool antigen test (HpSAT) in patients with upper gastrointestinal hemorrhage. PATIENTS AND METHODS: Thirty-two patients with upper gastrointestinal hemorrhage were prospectively studied from November 1998 to April 1999. In all patients the following tests were performed in the first 72 hours after onset of bleeding and 24 hours after hospital admission: upper gastrointestinal endoscopy, biopsy samples for the rapid urease test and histological study, blood samples for serology, stool samples for HpSAT, and the 13C urea breath test. Criteria for infection was a positive result in at least two of the four diagnostic techniques, except in the case of HpSAT. Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) were calculated. RESULTS: Of the 32 patients, 23 (71.8%) were infected. The results of four HpSAT (12.5%) were negative and 28 were positive (87.5%). HpSAT showed high sensitivity (95.6%) but low specificity (33.3%). The PPV and NPV were 78.5% and 75% respectively. Of the 32 HpSAT, 25 (78.1) were performed in melenic stools: 22 were positive and 3 were negative. Seventy-five percent of negative HpSAT and 78.5% of positive HpSAT corresponded to melenic stools. CONCLUSIONS: HpSAT is a rapid, non-invasive technique that does not appear to be influenced by the presence of blood. Consequently, it can be applied in patients with upper gastrointestinal hemorrhage. The rapid urease test showed high sensitivity, specificity and PPV and should remain the first-line test in patients with upper gastrointestinal hemorrhage. HpSAT is appropriate as a second-line technique and is useful when the rapid urease test is negative and infection is strongly suspected, when no samples for the rapid urease test have been taken and when endoscopy cannot be performed. The result obtained in the present study should be confirmed in future studies with larger samples.

Adult↗
PubMed2000

[Study of 13 cases of anisakiasis in the province of Cordoba].

Anisakiasis, or anisakidosis, is a parasitic zoonosis due to the infestation by nematodes of the Anisakidae family, mainly by Anisakis simplex. Notwithstanding its world wide distribution, in our country its appearance is quite recent (1991) with only 19 cases previously reported. We refer 13 cases diagnosed in different hospitals in the province of Córdoba, Spain, from September 1994 to July 1998 which represents the biggest series described in Spain so far. All the patients had a clinical onset as acute abdomen, so that they required early surgery in which a narrowing and inflammatory intestinal segment was observed and subsequently resected. Pathology revealed in such segments an intense eosinophilic infiltrate in the mucosa. Only in one of the cases parasitic fragments were detected in the intestinal mucosa and in the 12 remaining cases the diagnosis was immunological by IgE specific for Anisakis simplex determination and antigens detection of the nematode with monoclonal antibodies. As interesting epidemiologic antecedent we shall mention the fact that all patients referred a usual raw fish consumption (mainly anchovy with vinegar) which is host of third-stage larval of the parasite.

Adult↗
PubMed2000

[Clinical approach to portal hypertension].

Portal Hypertension is one of the most common and severe complication arising from hepatic cirrhosis natural history. Its development conditions the patient prognosis, and its diagnosis and correct evaluation contribute to the correct management of the patient. New techniques for the measurement of portal pressure gradient allow the study and follow-up of patients with esophageal and gastric varices and with risk of hemorrhage, analyzing the efficacy of the treatment applied in a reliable and secure way. It has been probed its utility in the study of the patient with hepatocellular carcinoma, complications after liver transplantation, portal hypertension with no hepatopathy, etc. This review analyzes, from a clinical point of view, the repercussion of the development of portal hypertension in the patient with hepatic cirrhosis, its diagnosis and interpretation, and the importance that its adequate valuation has for the clinical practice.

Humans↗
PubMed2000

[Evaluation of the efficacy of the endoscopic treatment in volvulus of the colon].

Volvulus of the colon mainly affects the elderly and early surgery, with high morbidity and mortality, is often required. The efficacy of endoscopic devolvulization as an alternative is evaluated herein. From January 1993 to April 1999, 25 patients diagnosed with volvulus of the colon were retrospectively reviewed. Endoscopic devolvulization was not performed in one patient who showed signs of necrosis but was carried out in the remaining 24. The mean follow-up was 35.3 months. In all patients the procedure was initially effective. After the first attempt, 9 of the 24 patients (37%) relapsed, 4 out of 7 (57%) after a second attempt and 2 out of 2 (100%) after a third attempt. No morbidity or mortality was associated with the endoscopy. Six patients underwent surgery. Of these, none relapsed but two presented complications associated with the surgery. Mean hospital stay of the patients undergoing surgery was 30.8 days and that of those undergoing endoscopic devolvulization was 9.1 days. We conclude that endoscopic devolvulizatio is an effective therapeutic option when the mucosa is viable, with a high percentage of initial success, few complications inherent to the technique and with the possibility of carrying out a maximum of two attempts in cases of relapse. In the majority of patients, this technique is a valid alternative to urgent surgery, which has higher morbidity and mortality and longer mean hospital stay.

Aged↗
PubMed2000

[Resident physician training in the digestive system. The point of view of the residents].

AIM: To evaluate various aspects of current training of Spanish residents in gastroenterology. METHOD: An anonymous postal questionnaire was sent to fourth-year resident physicians in Spanish hospitals with accredited gastroenterology residency programs. RESULTS: Forty residents in the fourth year (53% offered positions), four from the second year and one from the first year (20 men, 25 women) answered the survey. Mean age was 29.7 years (26-42 years). Fifty-one percent of the departments did not have ultrasonography facilities apart from those in the radiology department. Endoscopic retrograde cholangiopancreatography (ERCP) was available in all the departments but in 55% of these, residents did not receive training in this technique. Forty-one percent of residents did not know the objectives of the various training periods. Eighty-four percent evaluated the pressure of clinical work as "intense" or "very intense" with 67% reporting that it disturbed their training "seriously" or "very seriously" and 71% that it disturbed their personal lives. Supervision in ultrasonography, endoscopy and clinical work were mainly evaluated as "good" or "very good". Supervision was rated lower in outpatient departments and while on duty. Forty-two percent of residents rated the supervision of the personal tutor as "average". Seventy-six percent were "fairly" or "very interested" in the introduction of "areas of specific training". CONCLUSIONS: The quality of residents' training in general and of gastroenterology training in particular is high. There are, however, several aspects which could be improved.

Adult↗
PubMed1999

Iron-deficiency anemia due to chronic gastrointestinal bleeding.

AIMS: chronic gastrointestinal bleeding is the most common cause of iron deficiency anemia (IDA) in the general population. The objectives of this study were to determine the most frequent gastrointestinal lesions in IDA, the frequency and localization of potentially bleeding lesions, the value of the clinical history in diagnosis, the value of fecal occult blood testing, and the most appropriate diagnostic procedure for these patients. METHODS: we prospectively studied 80 patients older than 40 years with IDA, using upper gastrointestinal tract (GI) endoscopy and colonoscopy, beginning with the former (group A) or the latter (group B) depending on the clinical findings. Barium enema was done when colonoscopy was incomplete or unsatisfactory. If all these tests were negative, conventional barium contrast study of the small intestine and arteriography were done, if necessary. RESULTS: upper GI endoscopy found at least one lesion in 50 patients (72%), 13 in association with a colonic lesion (26%). Colonoscopy detected at least one lesion in 31 patients (45%), among whom 11 had another upper GI lesion (35.5%). Barium enema was positive in 4 out of 24 patients (17%). Barium contrast study of the small intestine detected lesions in 1 out of 7 patients (14%), and arteriography in 1 out of 4 patients (25%). The most common upper GI lesions were of peptic origin (esophagitis in 10, gastroduodenal erosions in 10, and peptic ulcer in 8). Neoplasms (17 cancers and 3 polyps) were the most common colonic lesion. Thirteen out of 38 patients (34%) with a potentially bleeding benign upper GI lesion had another lesion in the colon. The fecal occult blood test was positive in 9 out of 10 patients with colonic cancer and in 5 out of 9 with gastric cancer (74% positive predictive value). Nonsteroid antiinflammatory drug use did not correlate with the presence, location or type of lesion. The reliability of the clinically suspected origin of bleeding was 96% sensitivity, 43% specificity and 74% positive predictive value in group A, and 34%, 93% and 80% respectively in group B. CONCLUSIONS: lesions that cause chronic bleeding were more frequently located in the upper digestive tract than in the colon. There was a high prevalence of neoplasms in patients with IDA. One-third of the patients with a potentially bleeding benign lesion in the upper digestive tract had another lesion in the colon. A positive fecal occult blood test correlated highly with neoplastic lesions, and the presence of blood in the stool did not indicate whether bleeding originated in the upper or lower GI tract. Clinical history was of limited value in predicting the location of a bleeding lesion, but can be suggestive of a prior upper GI tract exploration. These patients need a complete study of both the upper and lower GI tracts. In patients in whom the aforementioned explorations are negative, the small bowel should be studied.

Adult↗
PubMed1999

[The predictive factors of a good response to the transfusion of erythrocyte concentrates in patients with controlled digestive hemorrhage].

INTRODUCTION: Not all patients respond the same to the transfusion of erythrocyte concentrates (EC) after achieving the control of gastrointestinal bleeding. AIM: The aim of the present study was to analyze the predictive factors of good response to EC transfusion in patients with controlled gastrointestinal hemorrhage and determine the stability of transfusion performance. PATIENTS AND METHODS: A prospective study was carried out in 61 patients with controlled gastrointestinal bleeding. The epidemiologic data were compared and prior to transfusion different analytical and hemodynamic variables were compared basally. On completion of the transfusion analytical controls were performed at 4 and 24 hours. The response was considered as optimum when pretransfusional basal hemoglobin (Hb) increased at least 1 g and the hematocrit (HCT) rose 3 points for each EC administered. RESULTS: The response to transfusion was optimum in 29 patients and bad in 32. The women responded significantly better than the men (p < 0.05), as did patients with lower weight (p < 0.05) and body surface (p < 0.05). The mean age of the responding patients was greater (p = 0.06) and the height, to the contrary, lower (p = 0.09). No significant differences were observed in the presence or not of associated disease, type of lesion causing the hemorrhage, or number of EC transfused. Likewise, no differences were found with regard to the pretransfusional values of TAM, TAS, FC, PVC, Hb, HCT, VCM, HCM, urea and creatinine. The only variables with independent predictive value of good response were female sex and low body surface. The difference between the Hb and HCT values at 4 and 24 h after transfusion did not achieve statistical significance. CONCLUSIONS: 1. The hemodynamic state and the degree of basal anemia do not condition response to EC transfusion in controlled gastrointestinal bleeding. 2. The response to the administration of EC is better in women and subjects of lower body surface. 3. Postransfusional analytical control at 4 hours allows early evaluation of the effects of the transfusion in patients at risk of recurrent hemorrhage.

Adult↗
PubMed1999

[Endoscopic drainage with polyethylene endoprosthesis of malignant obstructive jaundice].

AIM: To evaluate the efficacy and complications of endoscopic drainage of malignant obstructive jaundice with plastic endoprosthesis as well as to identify possible factors related with occlusion. PATIENTS AND METHODS: One-hundred and forty patients with malignant obstructive jaundice were retrospectively evaluated. The site of obstruction was proximal in 35 patients (25.0%), distal in 64 (45.7) and ampullary in 41 (29.3). Amsterdam or pigtail polyethylene prostheses of variable caliber and length were used. Drainage was preoperative in 41 patients and palliative in 99. Seventy-seven patients who underwent with palliative drainage were followed up long-term. RESULTS: Drainage was satisfactory in 132 patients (94.2%). Early morbidity was 10.7% (14/140) and early mortality related with the technique was 5% (7/140). Time free of obstruction was 4.6 +/- 1.0 months and in 47/77 (60%) the prostheses were still working at the end of follow-up. The actuarial rate of obstruction at 6 months was 42%, the majority (61%) occurring in the first 3 months. The median survival was 5.9 +/- 1.3 months. Of all the factors analyzed, greater permeability was found only in the ampullary tumors (p < 0.01) and in prostheses of caliber equal or superior to 10 French (p < 0.01). CONCLUSIONS: Endoscopic biliary drainage using plastic prostheses is satisfactory in the majority of patients with malignant jaundice. It has a low complication rate and provides acceptable palliation: the majority of patients do not require prostheses to be replaced and, when they becomes clogged, substitution usually solves the problem. Ampullary tumors and prostheses of higher caliber (> or = 10F) have been associated with greater permeability.

Adult↗
PubMed1998

[Evaluation of body fluid compartments and their relationship with water-electrolyte changes in obstructive jaundice].

BACKGROUND: The alteration of the mechanisms of water and sodium preservation may be an important factor in the development of acute postoperative renal failure in obstructive jaundice (OJ). Experimental OJ has been associated with a depletion of the extracellular volume and alteration of the mechanisms of regulation of hydrosaline metabolism. The aim of this study was to evaluate the distribution of the body volumes and the regulating hormones of hydrosaline metabolism in human OJ. PATIENTS AND METHOD: A prospective, clinical study evaluating 18 patients with OJ (9 females and 9 males) with a mean age of 69 +/- 8.9 years was performed. The plasma levels of antinatriuretic peptide (ANP), aldosterone and renin were determined. The body volumes were evaluated by tetrapolar bioimpedanciometry. The results of the patients with OJ were compared with a control group (CG) of 12 healthy subjects, matched for age and sex (6 females and 6 males with a mean age of 64.5 +/- 14 years). RESULTS: High ANP values were observed in 87.5% of the patients. The results of the hormonal studies compared with the CG were: ANP (117.33 +/- 37.7 vs 41.31 +/- 16.8 pg/ml; p < 0.001), aldosterone (185.68 +/- 82.1 vs 44.3 +/- 21.6 pg/ml; p < 0.001) and renine (57.18 +/- 69.9 vs 16.08 +/- 9.7 microU/ml; p < 0.05). Depletion of extracellular volume was found in 75% of the patients. CONCLUSIONS: Human obstructive jaundice is associated with an important alteration in the hormonal mechanisms of water and sodium regulation. This alteration is accompanied by a marked depletion of extracellular volume.

Aged↗
PubMed1998

[Prospective and randomized study on the usefulness of octreotide in the prevention of complications after cephalic duodeno-pancreatectomy].

OBJECTIVE: This study seeks to evaluate the role of the somatostatin analogue Octreotide as postoperative prophylaxis in the prevention of pancreatic fistula following Pancreaticoduodenectomy (PD). METHODS: A prospective and randomized study has been completed in 34 patients undergoing PD. Sixteen patients were randomly assigned to receive Octreotide 0.1 cc (100 mcg) three times daily subcutaneously during the first seven days of the post-operative period and the remaining 18 constituted the control group. All patients were fed parenterally until normal oral feeding was restored (mean 8 days). Fisher's exact test was used to compare complications in both groups. Pancreatic fistula was defined as the persistence of an amylase-rich discharge at least 50 ml daily during a minimum period of two weeks. RESULTS: The mortality rate was 3% and the morbidity 26%. No significant differences were observed regarding the total number of complications. The appearance of pancreatic fistula was considerably smaller (p = 0.03) in the Octreotide group than in control group. Postoperative hospital stay and the number of subsequent surgical interventions were significantly higher (p < 0.05) in the control group. CONCLUSION: Octreotide prevents the occurrence of pancreatic fistula after PD when it is administered prophylactically during the immediate postoperative period.

Adult↗