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Biomedical subjects

E Jaurrieta

Publications and source records attributed to E Jaurrieta.

At least 19 recordsLinked to original sources

Comparative study of left colonic Peritonitis Severity Score and Mannheim Peritonitis Index.

BACKGROUND: Prognostic evaluation of patients with left colonic perforation is useful in predicting mortality. The aims of this prospective study were to determine the prognostic value of the left colonic Peritonitis Severity Score (PSS) and to compare it with the Mannheim Peritonitis Index (MPI). METHODS: One-hundred and fifty-six patients underwent emergency operation for distal colonic peritonitis. The PSS and MPI were calculated for each patient. The Spearman rank correlation coefficient was used to measure the association between the two scores. The predictive power of the two scoring systems and their differences were studied using the area under the receiver-operator characteristic (ROC) curve. RESULTS: Forty-one patients died (26.3 per cent). The relationship between scores and mortality was statistically significant for each scoring system (P < 0.001). The Spearman rank correlation coefficient for the correlation between the MPI and PSS was 0.55 (P < 0.001). There was no difference between areas under the ROC curves for the two systems. CONCLUSION: The PSS and MPI are both well validated scoring systems for left colonic peritonitis. Their routine use might allow stratification of patients according to mortality risk.

Adult↗

Subtotal thyroidectomy: a reliable method to achieve euthyroidism in Graves' disease. Prognostic factors.

BACKGROUND: Subtotal thyroidectomy is a widely accepted surgical procedure for Graves' disease. The purpose of this work is to evaluate functional long-term results and determine predictive prognostic factors of postoperative thyroid function. STUDY DESIGN: This is a retrospective study conducted on 202 patients with Graves' disease undergoing subtotal thyroidectomy during the period 1979-2002. Predictive prognostic factors of final thyroid status were investigated by logistic ordinal regression, and probability of hypothyroidism during the years of follow-up was obtained by the Kaplan-Meier method. RESULTS: Surgery controlled hyperthyroidism in 196 out of 202 patients (97%). The probability of hypo-, eu-, and hyperthyroidism at 5 years was 62.1%, 35.5%, and 2.4%, respectively. No statistical change in thyroid function occurred in the follow-up after 60 months. Multivariate analysis by a logistic ordinal regression analysis showed that weight of the remnant, age, and gender seemed to influence long-term thyroid function. The higher rates of euthyroidism were obtained when the remnant weight was between 6 and 8 g. No recurrence or persistence of hyperthyroidism occurred with remnant weights under 5 g. CONCLUSIONS: Subtotal thyroidectomy controlled hyperfunction symptoms in 97% of our patients. Cure (euthyroidism) of Graves' disease patients should be attempted by leaving a thyroid tissue remnant between 6 and 8 g. Even more significant, our results suggest that euthyroidism rates could be improved by leaving a smaller remnant in elderly women and greater remnants in young men.

Adolescent↗

[Current status of follow-up of the upper digestive tract in familial adenomatous polyposis].

Familiar adenomatous polyposis (FAP) is a hereditary disease characterized by the development of multiple adenomatous polyps in the gastrointestinal tract and colorectal cancer in practically all patients who do not receive appropriate treatment. Although the most commonly involved region in this disease is the colorectal area, it is well known that adenomas can also develop in the upper gastrointestinal tract, mainly in the periampullary area of the duodenum. Because of the possibility of malignant transformation of these polyps, adequate monitoring is required, even though the optimal follow-up schedule has not yet been defined. In the present article, we report a case of a gastric adenocarcinoma detected during the follow-up of a patient diagnosed with FAP, as well as a review of the literature on this subject. We stress the need for early detection and appropriate management of this disease. Sufficient information is available to support the use of upper gastrointestinal endoscopy with lateral vision and serial biopsies of the periampullary region in these patients. The first endoscopy in patients with FAP should be performed at the age of 20 years or at diagnosis. Subsequently, a follow-up schedule should be designed, according to the number and histological characteristics of the polyps observed.

Adenocarcinoma↗

Long-term urinary dysfunction after rectal cancer surgery.

OBJECTIVE: Urinary dysfunction is a well-known complication of rectal surgery, secondary to injury to the autonomic nervous plexus. The object of this study was to evaluate the incidence, prevalence and type of micturition disorders following rectal cancer surgery and their reversibility during long-term follow-up. PATIENTS AND METHODS: A prospective study of 45 patients who underwent surgery for rectal cancer between 1993 and 1998 was undertaken. Those with pre-operative urinary dysfunction were excluded after sequential uroflowmetry and clinical interview. Ten of the surgical interventions were high anterior resections, 18 low anterior resections, and 17 abdominoperineal amputations. Pre-operative radiotherapy was performed in 47.9% of patients. All patients underwent sequential uroflowmetry and a clinical interview 3 and 12 months after the intervention. Subjects who presented micturition disorders underwent urodynamic examination The follow up period was three years. RESULTS: Three months after surgery alterations were found in 14 (31.3%) patients; the most frequent were stress incontinence, urinary tenesmus and the urge to urinate. At the 12-month assessment only 6 (13.3%) patients had urinary symptomatology or uroflowmetry abnormalities. After three years, micturition disorders persisted in 3 (6.6%) patients. CONCLUSION: Urinary dysfunction after rectal cancer excision is associated with a high degree of reversibility. Seventy-eight percent of the alterations detected after three months and 50% of those that persisted after a year disappeared during follow up.

Adult↗

Randomized clinical study of Gastrografin administration in patients with adhesive small bowel obstruction.

BACKGROUND: Oral Gastrografin has been used to differentiate partial from complete small bowel obstruction (SBO). It may have a therapeutic effect and predict the need for early surgery in adhesive SBO. The aim of this study was to determine whether contrast examination in the management of SBO allows an early oral intake and reduces hospital stay. METHODS: Eighty-three patients admitted between February 2000 and November 2001 with 90 episodes of symptoms and signs suggestive of postoperative adhesive SBO were randomized into two groups, a control group and Gastrografin group. Patients in the control group were treated conservatively. If symptoms of strangulation developed or the obstruction did not resolve spontaneously after 4-5 days, a laparotomy was performed. Patients in the Gastrografin group received 100 ml Gastrografin. Those in whom the contrast medium reached the colon in 24 h were considered to have partial SBO, and were fed orally. If Gastrografin failed to reach the colon and the patient did not improve in the following 24 h a laparotomy was performed. RESULTS: Conservative treatment was successful in 77 episodes (85.6 per cent) and 13 (14.4 per cent) required operation. Among patients treated conservatively, hospital stay was shorter in the Gastrografin group (P < 0.001). All patients in whom contrast medium reached the colon tolerated an early oral diet. Gastrografin did not reduce the need for operation (P = 1.000). No patient died in either group. CONCLUSION: Oral Gastrografin helps in the management of patients with adhesive SBO and allows a shorter hospital stay.

Adult↗

Risk factors for death following liver retransplantation.

AIM: Our goal was to retrospectively analyze graft loss and mortality risk factors using multi-centre data on liver retransplantation. MATERIAL AND METHODS: Between 1991-1995, 640 patients underwent 718 liver transplants in Barcelona. Mean age of the 74 patients receiving a second transplant was 47.6 years (range 19-65). Causes of retransplantation were immunologic in 26 patients (35.1%), technical in 23 (31.1%), primary dysfunction in 12 (16.2%), recurrent original disease in 7 (9.5%), and other causes in 6 (8.1%). Mean time between first and second transplant was less than 7 days in 20 patients (27%), between 8 and 30 days in 4 (5.4%) and more than 30 days in 50 patients (67.6%). Recipient, donor, and operative variables were analyzed using univariate (Kaplan-Meier curves) and multivariate techniques (Cox regression) to identify risk factors. RESULTS: Retransplant patient survival at 1 and 5 years was 60.8% and 49.5%, respectively, compared to 75.6% and 64.8% in a series of 640 first transplant patients. Mortality risk factors identified by multivariate analysis were bilirubin >12 mg/dL (RR 2.3; P=.010), recipient age (RR increase 0.04 for each additional year; P=.02), cause for retransplant (immunologic RR 4.01, technical RR 2.7 and other causes RR 6.9; compared to primary dysfunction RR 1; P=.020). Urea >54 mg/dL (0.02) and multiple transfusions >15 units red blood cells (0.001) were only significant in the univariate analysis. CONCLUSIONS: In our experience, retransplantation for primary dysfunction is the setting that has the best prognosis. Of the other causes, retransplantation should be performed before the total bilirubin reaches >12 mg/dL or before the appearance of variables indicative of severe renal insufficiency.

Adult↗

Liver transplantation for hilar cholangiocarcinoma: Spanish experience.

INTRODUCTION: Palliative treatment for nondisseminated irresectable hilar cholangiocarcinoma (HCC) carries a 0% 5-year survival rate. The role of orthotopic liver transplantation (OLT) in these patients is controversial because the survival rate is lower than that for other indications for transplantation and the lack of available donor organs. The aim of this paper was to review the Spanish experience in OLT for HCC and identify prognostic factors for survival. METHODS: We retrospectively reviewed 36 patients undergoing OLT for HCC over 13 years. RESULTS: The actuarial survival rate at 1, 3, and 5 years was 82%, 53%, and 30%, respectively. The main cause of death was tumor recurrence (53%). In the univariate analysis, the factors for a poor prognosis were vascular invasion (P<.001) namely 0% survival at 3 years when present versus 63% and 35% at 3 and 5 years, respectively, when it was not; and stages III to IVA (P<.05), namely 15% survival at 5 years versus 47% for stages I to II. Lymph node and perineural invasion also reduce survival. In the multivariate analysis, the factors for poor prognosis included vascular invasion (P<.01) and stages III to IVA (P<.01). CONCLUSION: OLT for nondisseminated irresectable HCC has higher survival rates at 3 and 5 years than palliative treatments, especially with initial stage tumors, which means that more information is needed to better select cholangiocarcinoma patients for transplantation.

Bile Duct Neoplasms↗

Liver transplantation for peripheral cholangiocarcinoma: Spanish experience.

INTRODUCTION: Palliative treatment for nondisseminated unresectable peripheral cholangiocarcinoma (PCC) carries a 0% 5-year survival rate. The role of orthotopic liver transplantation (OLT) in these patients is controversial because the survival rate is lower than with other indications for transplantation and the lack of available donor organs. The aim of this paper was to review the Spanish experience in OLT for PCC to identify prognostic factors for survival. METHODS: We retrospectively reviewed 23 patients undergoing OLT in Spain for PCC over a period of 13 years. RESULTS: The actuarial survival rates were 77%, 65%, and 42% at 1, 3, and 5 years, respectively. The main cause of death was tumor recurrence (35%). Prognotic factors for an adverse outcome were pTNM classification (P<.05) in the univariate analysis and perineural invasion (P<.05) and stages III or IVA (P<.05) in the multivariate analysis. CONCLUSIONS: OLT for nondisseminated irresectable PCC displays higher survival rates at 3 and 5 years than palliative treatments, especially for tumors in the initial stages, which means that more information is needed to help better select PCC patients for transplantation.

Bile Duct Neoplasms↗

Role of nitric oxide in apoptosis and cell necrosis for intestinal transplantation.

INTRODUCTION: Nitric oxide (NO) is an important mediator of both physiological and pathological responses. Its dual role in the ischemia-reperfusion syndrome is still a matter of controversy. The aim of this study was to analyze the effect of NO on apoptosis and cell necrosis associated with heterotopic small bowel transplant. METHODS: Sprague-Dawley rats underwent heterotopic small bowel transplants with 3 hours of cold ischemia and 5 hours of reperfusion. Animals were assigned to the following study groups: Sham; bowel transplant (Trp); bowel transplant + NO donor (Trp + NONOS); bowel transplant + NO synthesis inhibitor (Trp + L-NAME). We studied histological changes and bacterial translocation in mesenteric nodes, liver and spleen as parameters of cell necrosis and caspase-3 activity as a parameter of apoptosis. RESULTS: Histological changes and bacterial translocation showed that exogenous administration of NO protected the transplant. Simple bowel transplant, with or without inhibition of NO synthesis, did not display this protective effect. Significantly greater levels of apoptosis were observe in grafts among the group administered NO at pharmacological doses. CONCLUSIONS: In experimental bowel transplantation rats administered exogenous NO show less necrosis but at the same time stimulation of apoptosis.

Animals↗

Immunodulation with tacrolimus (FK506): results of a prospective, open-label, non-controlled trial in patients with inflammatory bowel disease.

UNLABELLED: Tacrolimus (FK506) is widely used in the organ transplant setting, but not in the treatment of IBD. OBJECTIVE: the aim of this study was to analyse the effectiveness of tacrolimus in specific clinical presentations of inflammatory bowel disease (IBD) in which recurrence is likely. PATIENTS AND METHODS: inclusion criteria were: perianal Crohn's disease (PCD), CD in rectal stump, pouchitis and cuffitis with severely impaired function of the ileoanal pouch (IPAA), and proven refractoriness to other therapies. Clinical assessment: Hughes' classification (PCD); Oresland index (OI) in IPAA, endoscopy-biopsy and Quality of life (QoL) using the Spanish version of the IBDQ. Response was determined as complete (CP), partial (PR) or non-existent (NR). Tacrolimus was administered orally at a dose of 0.1 mg/kg/day (levels 5-15 .g/L). RESULTS: nineteen patients entered the study. Mean duration of treatment was 9.6 +/- 6.3 months. In PCD, CR was reported in 66% of cases and PR in 33%, with disappearance of inflammation, stenosis and ulcers. In patients with pouchitis and cuffitis,77% presented either CR or PR. The OI scores and QoL improved significantly after treatment (p<0.006 and p<0.002, respectively). Adverse effects were minor and controlled by regulating the dose. CONCLUSION: oral administration of tacrolimus is easy to per-form and has few adverse effects when used to treat IBD in certain clinical presentations with a high likelihood of recurrence.

Adolescent↗

Acute cholecystitis as a complication following percutaneous ethanol injection of a hepatocellular carcinoma.

UNLABELLED: Percutaneous ethanol injection is a useful option in the treatment of hepatocellular carcinoma which are not amenable to resection or transplantation. We describe a case of cholecystitis and tumour infiltration of the gallbladder after percutaneous ethanol injection, a complication not previously described in literature. The patient was a 70-year-old woman with a history of asymptomatic HCV+ hepatopathy and a 6 cm hepatocellular carcinoma nodule in segment V which had been treated two months before by percutaneous ethanol injection in another center. She attended our center due to febrile syndrome. Imaging studies suggested cholecystitis with an abscess on the wall of the gallbladder, purulent material obtained by means of a CT-guided puncture. Surgery revealed purulent and neoplasic material inside the gallbladder, with tumor invasion of the posterior wall; a partial cholecystectomy was therefore performed and a drainage inserted. The patient showed no post-operative complications and was discharged after seven days. CONCLUSION: we believe that the percutaneous ethanol injection of hepatocellular carcinomas located close to the gallbladder may occasionally lead to complications in the form of cholecystitis with neoplasic infiltration of the gallbladder. A case of cholecystitis secondary to radiofrequency treatment of a similarly-located tumor has previously been described and, therefore, the use of percutaneous local destructive treatments for tumors close to the gallbladder would seem unadvisable.

Administration, Cutaneous↗