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[Angiographic diagnosis and therapy of acute and chronic gastrointestinal hemorrhages].

In acute gastrointestinal bleeding visceral angiography has been showing its importance for years. It contributes to diagnosis especially in cases with persistent acute hemorrhage. In chronic gastrointestinal bleeding conventional radiographic procedures such as upper gastrointestinal series and barium enema will be preferred to angiography. The function of the radiologist goes beyond mere diagnosis of gastrointestinal bleeding. Treatment with vasopressin via the angiographic catheter has proven its clinical value. This method will be indicated especially in cases with high risk anesthesia and surgery. It will help to postpone necessary surgery to a more favorable moment following hemostasis. Side effects such as hypertension and antidiuresis are relatively rare and easy to manage. Numerous substances are used for embolization showing that ideal material has not been found yet and further development seems necessary. In contrast to vasopressin treatment, vascular occlusion is often irreversible, complications (unwanted reflux of embolization material, necrosis and plugging of the catheter) are more difficult to manage. Superselective visualization of a bleeding artery is always needed. Embolization is justified in cases when a possibility for anesthesia and surgery cannot be foreseen. The electrical vascular occlusion using direct current is still in the phase of animal experiments; its clinical value has not sufficiently been assessed as yet.

Aneurysm

Gastrointestinal hemorrhage in patients in a respiratory intensive care unit.

Significant gastrointestinal hemorrhage occurred in 20% (20) of the patients in a respiratory intensive care unit. Risk factors significantly associated with the development of gastrointestinal hemorrhage included (1) the principal respiratory diagnosis of adult respiratory distress syndrome; (2) increasing numbers of days on a ventilator, days in the respiratory intensive care unit, and total days of hospitalization; and (3) the development of thrombocytopenia. Factors not associated with an increased risk of gastrointestinal hemorrhage were the age and sex of the patient, the respiratory diagnosis of chronic obstructive pulmonary disease, and the use of therapy with either heparin or corticosteroids. Routine prophylactic administration of antacids was associated with a decreased incidence of hemorrhage. The mortality of bleeders was significantly greater than that of nonbleeders.

Antacids

Upper gastrointestinal hemorrhage--diagnosis and management.

THE CURRENT MANAGEMENT OF A PATIENT WITH UPPER GASTROINTESTINAL HEMORRHAGE INVOLVES THREE STEPS: initial correction of unstable hemodynamics, obtaining the specific diagnosis of the lesion responsible for gastrointestinal blood loss, and therapy directed at the specific bleeding lesion. The current approach to upper gastrointestinal hemorrhage is carrying out upper gastrointestinal endoscopy following stabilization of the patient. Although improved morbidity and mortality statistics have been slow to appear, the use of endoscopy permits appropriate therapy directed at the specific lesion. Specific therapeutic measures have been outlined for seven common causes of upper gastrointestinal hemorrhage. The advent of therapeutic endoscopy promises to bring further advances in therapy in the near future.

Esophageal and Gastric Varices

Selective embolization for control of gastrointestinal hemorrhage.

Transcatheter embolization using Gelfoam plugs or autologous clot is an alternative or adjunct to the conventional management of gastrointestinal hemorrhage. During a 12 month period we successfully treated 10 patients who had massive gastrointestinal hemorrhage with selective embolization; 6 patients had upper gastrointestinal hemorrhage and 4 had bleeding from the colon. Most of these patients were critically ill and were poor surgical candidates. Hemorrhage was controlled by selective catheterization of the bleeding vessel, followed by injection of Gelfoam pledgets. Since the procedure was accomplished with ease and prolonged hemostasis obtained, we recommend it for gastrointestinal hemorrhage, especially in patients who are poor surgical risks or are unresponsive to vasopressin infusion, or both. Operative intervention for the primary disease could subsequently be performed electively, if necessary, days or weeks after transcatheter embolization.

Adult

[Postoperative gastrointestinal hemorrhages after pulmonary resections (author's transly].

Postoperative gastrointestinal hemorrhages are a infrequent complication of pulmonary resections. Nevertheless they are threatening seriously patient's life because a critical illness as gastrointestinal hemorrhage in such casses hit patients whose vital functions are compromised from recent thoracic surgery. The pathogenetic questions, as well critical problems of diagnosis and treatment, are discussed on the basis of three observed cases.

Gastrointestinal Hemorrhage

Clinical and pathologic studies of gastrointestinal hemorrhage in acute leukemia.

One hundred and sixty cases of acute leukemia observed at our Department between 1953 and 1977 were reviewed as to the presence and nature of the accompanying gastrointestinal hemorrhage. A massive gastrointestinal hemorrhage requiring blood transfusions occurred in 29 cases (18%). The most common lesion was hemorrhagic necrosis of the small intestines. There were three forms of hemorrhage: Type I: thrombocytopenia, hemorrhagic diathesis, diffuse hemorrhage of mucosa and submucosa, but no erosion nor ulceration. Type II: no specific pathologic findings. Diffuse hemorrhage, superficial erosions, bacterial and fungal invasions were observed. Type III: single and/or multiple ulcerations, necrosis and perforation of the small intestines and colon. Thrombocytosis was almost always present at the prebleeding phase in these cases. Intravascular microthrombi at the basis of ulceration were seen. Usually, more than one process were seen in each case. An appropriate approach to the severe gastrointestinal hemorrhage with a combination of anti-leukemic chemotherapy, anti-coagulant therapy, platelet transfusion, etc. would further add to the number of long-term survivors in acute leukemia.

Blood Platelets

Upper gastrointestinal hemorrhage: aggressive management decreases mortality.

In a retrospective study of 630 patients with upper gastrointestinal hemorrhage admitted to the Royal Victoria Hospital between 1963 and 1971, the overall mortality was 12.54%. Mortality increased in patients receiving more than 10 units of blood and in patients over 60 years of age. Mortality decreased in patients in whom the site of hemorrhage was known prior to operation. Early surgery for gastric ulcers and conservative therapy for acute gastric erosions reduced mortality. Therefore in 334 patients admitted to the Royal Victoria Hospital between 1973 and 1976 with upper gastrointestinal hemorrhage, an aggressive approach to diagnosis and management was emphasized. There was a significant decrease in patients with duodenal ulcers, acute gastric erosions, and gastric ulcers who received more than 10 units of blood. There was a significant increase in the use of endoscopy to establish the source of hemorrhage and a significant increase in the use of endoscopy to establish the source of hemorrhage and a significant decrease in the number of patients who did not have a diagnosis prior to operation. There was also a significant increase in early surgery for gastric ulcers. This regimen led to a significant decrease in mortality (6.69% vs. 12.54%). This report demonstrates that early diagnosis and management based on the lesion found reduces mortality from upper gastrointestinal hemorrhage.

Blood Transfusion

[Hemorrhagic erosion as a cause for gastrointestinal hemorrhages].

It is necessary in clinical diagnosis more than hitherto done to take into consideration haemorrhagic erosions as the most frequent cause of gastrointestinal haemorrhages. They are found as concomitant diseases of certain basic diseases, whereby the spectre of causes deviates in adults and children. In adults dominate heart insufficiency and cerebral diseases including skull-brain trauma, in children, however, infections of the respiratory and digestive tract, followed by cerebral affections and haemoblastoses. A differentiation concerning age and sex cannot be proved.

Adult

Acute gastrointestinal hemorrhage: the changing role of barium examinations.

The emergency evaluation of a patient with acute life-threatening gastrointestinal hemorrhage requires the coordinated efforts of medical, surgical, and radiologic personnel. In most patients with an acute upper gastrointestinal hemorrhage, endoscopy represents the primary diagnostic procedure. Arteriography may follow, depending on the identification of the lesion at endoscopy or the need for therapy through the vascular catheter. Arteriography should precede endoscopy when bleeding is massive or the clinical situation suggests that therapy by a catheter must be instituted on a more urgent basis. When personnel are available to perform endoscopy and arteriography, the barium examination of the upper gastrointestinal tract is best postponed for a few days until the patient can be stabilized completely. In the patient with massive red rectal bleeding and a negative nasogastric aspirate, the arteriogram is clearly the procedure of choice for the emergency diagnostic evaluation. Bleeding diverticular and vascular ectatic lesions can be diagnosed only by arteriography and treatment can usually begin immediately by a catheter infusion of vasopressin. Colonoscopic and barium enema examinations of the acutely bleeding patient are not reliable. In addition, the presence of barium in the colon interferes with arteriography for a number of hours. The barium examination of the colon should be performed at some time during the hospitalization to exclude other possible bleeding lesions and to provide a better overall anatomic assessment of the colon. Both the retrograde and antegrade small bowel enemas are useful in detecting obscure small bowel bleeding lesions that occasionally present as a massive lower gastrointestinal hemorrhage.

Adult

Gastrointestinal hemorrhage. An unusual complication of total anomalous pulmonary venous drainage.

A newborn boy had exsanguinating gastrointestinal hemorrhage in in the first week of life secondary to an unusual form of infradiaphragmatic pulmonary venous drainage. Autopsy and postmortem angiograms demonstrated huge esophageal varices as the course of the uncontrolled bleeding. The occurrence of massive gastrointestinal hemorrhage should be considered to be a rare but possibly lethal complication in patients with total anomalous pulmonary venous drainage (TAPVD) type III and IV.

Abnormalities, Multiple

Intraarterial vasopressin in the treatment of upper gastrointestinal hemorrhage: a prospective, controlled clinical trial.

Intraarterial vasopressin has been reported to be effective in the treatment of massive upper gastrointestinal hemorrhage. A prospective, controlled clinical trial comparing conventional treatment with conventional therapy plus intraarterial vasopressin was undertaken. Sixty episodes of upper gastrointestinal hemorrhage were evaluated during a 40-month period; 32 received conventional and 28 conventional plus vasopressin therapy. The two groups of patients were similar in type and severity of their bleeding lesions and in their underlying diseases. Vasopressin was more effective in controlling hemorrhage from nonvariceal lesions (P less than 0.05) and from varices (P less than 0.01) than conventional therapy. Transfusion requirements were significantly reduced in those patients who received vasopressin. Paradoxically, survival was not affected by vasopressin administration. The failure of cessation of hemorrhage to improve survival is thought to be due to the degree of advancement of the underlying disease, to the torrential nature of the hemorrhage, to the frequency of recurrent hemorrhage, and to the use of intraarterial vasopressin in some patients in the conventional treatment group in whom conventional therapy had failed.

Adult

A fibreendoscopic study of acute upper gastrointestinal hemorrhage in Nairobi, Kenya.

A prospective survey of acute upper gastrointestinal hemorrhage in the major government hospital of Kenya was done using fibre-optic esophagogastroduodenoscopy. Of 66 African patients presenting with hematemesis and melena, a precise visual diagnosis was made in 89%. Duodenal ulcer was most common, accounting for 53%, but esophageal varices occurred in 20%. Gastric ulcers and esophagitis were surprisingly infrequent. There was a correlation between hemorrhage from esophageal varices and schistosomiasis distribution. Variceal bleeding occurred in a young age group (mean age 28 yr) and correlated closely with the presence of splenomegaly. These findings have implications for the diagnostic approach and management of patients from areas of endemic schistosomiasis.

Acute Disease

[Iatrogenic gastrointestinal hemorrhages. A review of 108 cases (author's transl)].

Macroscopic gastrointestinal hemorrhages caused by the consumption of oral drugs are relatively scarce among patients receiving antirheumatic treatment. On the other hand, in a high percentage of all cases of digestive bleeding, antirheumatic drugs were administered shortly beforehand. A review of 216 cases with hematemesis and/or melena are presented. In 50 percent of the patients there was evidence of previous administration of potentially ulcerogenic drugs capable of causing hemorrhages in the digestive tract. Salicylates predominated among the compounds that were considered to be responsible for hemorrhages (salicylates, corticosteroids, reserpine, and other antirheumatic products). The mechanisms involved in producing iatrogenic hemorrhages were examined and the drugs were classified as precipitating and directly ulcerogenic compounds. Precipitating drugs were those which were able to reactivate a preexisting lesion (reserpine, glucocorticoids, phenylbutazone, etc.). The ulcerogenic drugs included those products that could provoke a lesion of previously unimpaired digestive mucosa (salicylates).

Anti-Inflammatory Agents

Gastrointestinal hemorrhage in long-lasting traumatic coma.

Sixteen cases, aged 19 to 61 years and suffering from traumatic coma were studied for periods varying from 7 to 20 months. Obvious or occult gastrointestinal hemorrhage appeared in every case, the earliest presentation being after a few weeks and the latest at 20 months. Gastric acidity was normal in 15 cases. Five patients had duodenal ulceration in repeated roentgenological examination. Concomitant clinical findings included clubbing and paraarticular new bone formation in 9 patients. In addition, hypoxia with repeated values between 63 and 88 mm was observed in 13 of the 16 patients. The latter observation strongly suggests that hypoxia of gastrointestinal mucosa may, indeed, play a pathogenetic role in gastrointestinal hemorrhage of patients with C.C.I.

Adult

Intramural gastrointestinal hemorrhage. Clinical and radiographic manifestations.

The clinical and radiographic manifestations of intramural gastrointestinal hemorrhage are presented together with a review of the literature. The observations described are based on the analysis of 20 cases affecting different segments of the gastrointestinal tract. The pathologic process is induced principally by anticoagulant therapy, bleeding diathesis, or abdominal trauma and occurs as a localized, well-defined, intramural mass or as a more diffuse segmental involvement. The clinical features are nonspecific and can vary from mild crampy abdominal pain to severe shock. Other manifestations include rebound tenderness, muscle guarding, and small bowel obstruction. The duodenum and small bowel are the most frequent sites of involvement. The intestinal mucosal folds may be prominent, stretched, and sharply defined or completely affaced, accompanied by a smooth narrowing. There is rapid clinical and radiographic remission with conservative therapy. Intestinal perforations and fibrotic strictures resulting in small bowel obstruction are a rarity, observed only in the posttraumatic variety.

Abdominal Injuries