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Biomedical subjects

E Martínez Rodríguez

Publications and source records attributed to E Martínez Rodríguez.

At least 19 recordsLinked to original sources
PubMed1997

Gallstone disease in patients over the age of 80. Surgery or long-term medical treatment?

OBJECTIVE: Growth in the geriatric population is increasing the biliary pathology of the elderly, thus becoming more frequent in the medical environment. The different therapeutic methods that are at present in use, should be applied to this group, employing open cholecystectomy as a reference. MATERIAL AND METHODS: During a period of 5 years we have attended 209 patients over the age of 80 (13.8 of the total of gallstones), 76 patients (36.4%) underwent surgery and in 133 cases (63.6%) another therapeutic method was decided upon. The progression, complications and mortality rate are studied closely herein. RESULTS: The majority, 156 (74.6%) were not previous admissions and in 108 (51.7%) the symptoms had been present for less than one month. Eighty four (40.2%) were suffering from jaundice on admission (on average 4 days) and 89 (42.6%) showed signs of inflammation. 23 patients (11%) were submitted only to an endoscopic sphincterotomy. Of those patients who underwent surgery, 52 (67.5%) had a range of inflammatory phenomena. Open cholecystectomy was carried out on 65 patients (85.5%). Sixty one patients (29.2%) presented complications, 38 (50%) in the group underwent surgery. Twenty eight patients (13.4%) died-9 (11.8%) of the 76 patients were operated upon. CONCLUSIONS: Elderly patients can undergo surgery in selected cases with an acceptable mortality rate and high morbidity. Surgery is recommended in those of a lesser age, not always possible as many of them lacked prior symptoms.

Age Factors↗
PubMed1996

Hepatic metastases of granulosa cells tumour of the ovary.

A case of metastatic granulosa cell tumour of the ovary is reported. Investigations revealed a secondary tumour in segment VI and VII of the liver. Right hepatic resection was performed. Microscopic findings revealed a tumour with histological features identical to that removed eleven years before.

Female↗
PubMed1994

[Digestive hemorrhage caused by jejunoileal tumors].

Between January-73 and February-92 twelve patients with digestive hemorrhage due to primary jejunoileal tumors were treated. Eight cases had rectal bleeding and four chronic gastrointestinal hemorrhage as first clinical manifestation. Patients underwent upper endoscopy, colonoscopy and barium enema. Three out of nine barium meals (33%), two out of four ultrasonographies (50%) and eight out of nine arteriographies (89%) were abnormal. The barium meals showed submucosal lesions on two occasions and a jejunal luminal mass. The ultrasonography detected two intrabdominal masses. All arteriographies, except one with extravased intestinal contrast and other which showed a hypovascular zone, depicted homogeneous hypervascular images. All patients were operated on. Seven segmental enterectomies, four limited resections and a polipectomy were performed. Seven tumours were found in the jejunum, three in the jejunoleum and two in the ileum. There were four leiomyosarcomas, three leiomyomas, two polyps, one leiomyoblastoma, one adenocarcinoma and one lymphoma. Rebleeding and mortality were absent.

Adult↗
PubMed1993

[Effect of catalase on acute experimental pancreatitis in rats].

Oxygen free radicals are highly toxic end products of the cellular oxidative metabolism that are scavenged by antioxidative systems such as superoxide dismutase and catalase. Previous studies have suggested that oxygen free radicals may play a role in the pathophysiology of acute pancreatitis. The present study was designed to determine the effect of catalase on experimental acute pancreatitis in the rat. Rats were given either saline or enterokinase by the intraductal pancreatic route. Catalase was given intraperitoneally at doses of 80, 160 and 320 mg/kg. Administration of saline resulted in mild acute pancreatitis. In contrast, administration of enterokinase resulted in oedema, haemorrhage and necrosis of the pancreas. Catalase had no effect when given at 80 mg/kg; at 160 mg/kg, an improvement at the ultrastructural level was noted, whereas at 320 mg/kg, a change in serum calcium level was found. Our studies suggest that intraperitoneal administration of catalase slightly improves the outcome of experimental acute pancreatitis in the rat.

Acute Disease↗
PubMed1993

[Spontaneous hematoma of the transverse mesocolon].

A case of spontaneous rupture of an aneurysm of a colic artery is presented. A large hematoma in the transverse mesocolon was found. The case is interesting because of its rarity and its preoperative angiographic diagnosis.

Aged↗
PubMed1991

[The effects of allopurinol on experimental mesenteric ischemia in the rat].

The effect of allopurinol at doses of 25, 50 and 100 mu p/Kg on the release of free toxic radicals in acute mesenteric ischemia (AMI) produced experimentally has been studied in rats after clamping the superior mesenteric artery. Mortality and variations in haematological, biochemical and morphological parameters (both microscopic and ultrastructural) were recorded. A dose-dependent effect of a bolus of intraperitoneal alopurinol on the severity of mucosal lesions has been noted. A protection against mucosal damage was observed which may be due to the block by alopurinol of the xantine-oxidase system in the ischaemic reperfused intestine. This should be confirmed by larger studies. Alopurinol might be useful prophylactically to prevent damage of the intestine after ischaemia-revascularization events.

Allopurinol↗