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Biomedical subjects

E Chaib

Publications and source records attributed to E Chaib.

At least 37 records · Page 2Linked to original sources

[Volvulus of the cecum. A case report].

The authors present one case of intestinal obstruction by volvulus of the cecum. The patient had abdominal pain for 4 days. This pain was colicky in nature and of greatest in density in the left iliac fossa. He was nauseated, had anorexia, and had been vomiting. Abdominal distension was present. Plain-roentgenogram of the abdomen showed an enormously distended gas-filled intestinal loop in the upper abdomen just to the left of midline. At surgery there was volvulus of the cecum located in the upper abdomen to the left of midline. The cecum was viable and was relocated in the right lower quadrant and secured to the antero-lateral abdominal wall (cecopexy). The patient made a good postoperative recovery.

Adult↗

[Sphincteroplasty: its value in the treatment of distal lithiasis of the choledochus].

Twenty patients in whom sphincteroplasty was performed are presented. In 12 cases the indication was choledocholithiasis with stone impacted in the distal bile duct; 5 cases with choledocholithiasis and oddian stenosis, and 3 cases with residual choledocholithiasis associated with oddian stenosis. The average length of the incision of the ampullary area was 25 mm. The postoperative control made by tube cholangiography evidenced the presence of a wide open choledochoduodenal opening. Amylase activity was followed in all patients. One case of acute pancreatitis and one case of choledochal fistula were recorded as postoperative complications.

Adult↗

Obstructive jaundice caused by blastomycosis of the lymph nodes around the common bile duct.

A case of obstructive jaundice due to granulomatous blastomycosis is presented. The patient had complained of abdominal pain in the right hypochondrium and jaundice. During hospitalization, the laboratory tests showed evidence of obstructive jaundice and complementary tests a distended gallbladder, dilatation of the intra and extrahepatic bile ducts with enlarged lymph nodes of the hepatic hilus. During the operation a cholestatic liver, distended gallbladder and enlarged lymph nodes around the common bile duct were found. Histopathology of the lymph nodes revealed South American blastomycosis. The medical management consisted of amphotericin B. At present the patient is alive and well.

Adult↗

A new procedure for the treatment of bleeding esophageal varices by transgastric azygo-portal disconnection.

Eighty-eight patients with bleeding esophageal varices due to portal hypertension underwent splenectomy and devascularization of the upper half of the stomach and the abdominal esophagus. A Hegar dilator no. 17 was introduced into the esophagus through a gastrotomy. A ring of separated stitches was applied at cardia level, the needle being inserted as far as the metallic surface so as to include the entire wall of the esophagus. Complete interruption of all gastroesophageal vascular communication was thus obtained. After suture of the gastrotomy, a Nissen or Lind's fundoplication was performed. In 62 (70.45%) patients, the immediate postoperative course was uneventful, 21 had non-lethal complications, 13 had abdominal evisceration, six pulmonary complications, four subphrenic abscesses, five patients died, two in hepatic coma, two after reoperation for subphrenic abscess and one after massive hemorrhage due to an acute gastric ulcer. Forty-three patients (48.8%) developed transient ascites which disappeared before they were discharged from the hospital. In thirteen patients (15.6%), the hemorrhage recurred. Of the 32 patients operated one to two years ago, only one rebled. Of the 35 patients operated three to five years ago, nine rebled and three, of the 16 patients operated from five to seven years ago, rebled. With radiological and endoscopic investigations, reduced varices were seen above the suture line, in many cases, passively filled up with blood returning from the azygos vein. Reflux esophagitis was observed in 17 patients who had had a Lortat-Jacob procedure to reduce the His angle; of these, eight rebled later. No gastroesophageal reflux was seen after Nissen or Lind's fundoplication. No fistulae, dysphagia or stenosis was observed.

Adolescent↗

[Hepatic venous system and its application in the so-called split-liver transplantation technic].

Sixty fresh adult livers were obtained from cadavers together with celiac trunk, head of the pancreas and superior mesenteric artery. The right portal vein, left portal vein and their respective branches were dissected as well as the hepatic veins. There was only one right hepatic vein in 59 cases. The median hepatic vein was present in 53 (88.3%) cases and the left hepatic vein only in 46(76.3%). In 59(98.3%) cases, there were right and left portal vein but in one (1.6%) case no portal bifurcation has been found. The median portal vein has been found only in 9(15.2%) cases.

Adolescent↗

[Small hepatocellular carcinoma. New concepts on intrahepatic recurrence after hepatectomy in orthotopic liver transplantation].

Hepatocellular carcinoma is one of the most common cancers worldwide. Epidemiologic studies shows a striking correlation between areas where this tumor is prevalent and where hepatitis virus B and C are endemic, contaminations of food with mycotoxin aflatoxin B1, excessive alcohol intake, prolonged cigarette smoking, sexual hormones. Combination of chemical, physical, and genetic insults to individual hepatocytes involve changes in the genome transformed or neoplastic cell, depending to both the activation of oncogenes (e.g., ras) and the inactivation of tumor supressor genes (e.g., p53). Advances in radiologic techniques such as ultrasonography, computed tomography, angiography and dosages of tumor markers like alpha-fetoprotein offers still the best for diagnosis and screening for hepatocellular carcinoma. Then the diagnosis has become possible during the early stages, characterized to be a very well-differentiated tumour that has returned its preexisting liver structure, with a certain proportion have a multicentric origin. Hepatocellular carcinoma carries an extremely poor prognosis, with a median survival between 2-4 weeks, for those without treatment. Surgical resection are the only curative modality for this disease. In these patients two main patterns of intrahepatic recurrence after hepatectomy are defined, and depends on the growth of residual satellite tumours or synchronous and metachronous multicentric carcinogenesis. This evolution is estimated to be nearly 50%, with 5-year survival rate of nearly 30%. The presence of cirrhosis, satellite nodules, venous invasion, the absence of capsule formation and positive surgical margin (< or = 5 mm) were associated with higher intrahepatic recurrence rates.(ABSTRACT TRUNCATED AT 250 WORDS)

Carcinoma, Hepatocellular↗

[Sternotomy for the treatment of cervical stenosis after esophagocoloplasty: 3 case reports].

Colon interposition for benign esophageal disease has so many complications among them stricture and anastomotic leak are the most common. Three patients with esphagocolonic stricture due to colon interposition have been successfully treated by sternotomy after being submitted to endoscopic balloon dilatation. Sternotomy would seen a safe and reliable method for treating anastomotic stricture in patients with recurrent stenosis after esophagocolonic anastomosis due to extrinsic compression.

Adolescent↗

Prophylactic appendicectomy due to foreign body. Case report.

A 11-year-old mentally ill male who had swallowed a metal necklace that has been lodged on the cecal appendix is presented. Because of the relatively high risk of an acute appendicitis a prophylactic appendicectomy was performed.

Appendectomy↗

[Current status of "Split-liver" as a liver transplantation technique option: review of the literature].

The availability of donor organs is a critical factor that limits the use of orthotopic liver transplantation. Split-liver technique means by cutting the liver into two hemilivers one could implant the new reduced-livers in two recipients. The authors have extensively reviewed the literature and concluded that in spite of both greatest postoperative complications and mortality, this technique could be useful in both chronically waiting list patients and those with acute hepatic failure whom desperately need a new organ.

Adolescent↗

[Pulmonary capacity and volume, forced expiratory flow measured by whole body plethysmography in acute pancreatitis: experimental study in rats].

Up to 70% of the patients with acute pancreatitis suffer a sort of pulmonary dysfunction. Twenty-nine rats with pancreatitis induced by 2.5% taurocholic and solution have been studied by whole body plethysmography in order to evaluate pulmonary volumes and expiratory flows. They were divided into three groups: a sham operation control group-10 rats,a two pancreatitis group-10 rats and eight hours pancreatitis group-9 rats. The results showed a significant decrease of expiratory reserve volumes and forced vital capacity (FVC) and also a significant increase of expiratory flow in the 2 and 8 hours pancreatitis groups. These findings indicate a restrictive pneumopathy.

Acute Disease↗

[Evaluation of pulmonary elastance and resistance in acute pancreatitis. Experimental study in rats].

Approximately 50 to 70% of the patients with acute pancreatitis (AP) have suffered hypoxia and 1/3 of the pulmonary lesions could progress to a clinical respiratory insufficiency. The respiratory mechanics has been studied by Amdur and Mead (1958) method in the rat with acute pancreatitis induced by taurocholate acid injection into hepatic duct. It has been measured dynamic elastance and pulmonary resistance. Three groups were studied: control group "sham operation"-12 rats; 2 hours pancreatitis group-10 rats and 8 hours pancreatitis group-8 rats. There was no significant increase on dynamic elastance in 2 hours AP group and also no tendency of normalization of this parameter in 8 hours AP group. The pulmonary resistance shows no significant increase in 2 and 8 AP groups (p). The pulmonary resistance alterations show that AP does not lead to an obstructive pneumophathy and if correlated with the decrease of total pulmonary capacity observed in the volume/pressure curves one could conclude that AP probably is associated with a restrictive pneumophathy.

Acute Disease↗

[Liver transplantation: anomalies of the hepatic artery and the liver in 80 donors].

The author has studied the main hepatic artery (HA) alterations and liver related disease (LRD) in 80 donors. The normal arterial anatomy with a single HA arising from the celiac trunk was seen in 61% of cases; a left hepatic artery (LHA) off left gastric artery (LGA) in 19% of cases and a right hepatic artery (RHA) arising from superior mesenteric artery (SMA) in 15% of cases. Two rare anomalies: an HA off anastomosis connecting celiac trunk to SMA and a LHA off LGA around the esophagus. A case of absence of celiac artery and the splenic artery (SA) was found arising directly from the aorta, and another one the SM arose from RHA. Six livers were turned down: 3 by cholecystitis, 2 by preoperative hypoxia and 1 by hepatic polycystic disease. Steatosis and hemangioma have been among the others LRD. In conclusion, HA and LRD have occurred in approximately 50% of donors, this fact underline the importance of searching the anomalies of the HA and LRD during the organ retrieval.

Adolescent↗