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PubMed1999

Post-mortem cast angiography in the diagnostics of graft complications in patients with fatal outcome following coronary artery bypass grafting (CABG).

The advantages and limitations of a novel post-mortem angiographic method using solidifying silicone rubber and lead oxide as a contrast medium in detecting coronary artery graft complications on a routine basis were evaluated in a series of 223 consecutive patients with fatal outcome within 30 days following coronary artery bypass grafting (CABG). Of these patients, 166 (74.4%) were male and 57 (25.6%) female (mean age 61.9 +/- 9). Coronary grafts totalled 660 (3.0 per patient) with 517 aortic and 838 coronary anastomoses. At autopsy, the rubber cast model of the grafts and coronary arterial tree was exposed by a bend scalpel and sites of possible complications were examined. Post-mortem angiographs were re-evaluated and compared with preoperative angiographs and dissection findings. By combining the findings of angiography and heart dissection, 122 (54.7%) of the 223 patients were found to have some type of complication of the graft or the anastomosis. The diagnostic sensitivity and specificity of post-mortem angiography was 100% in assessing narrowing or twisting of the graft as well as narrowing of the aortal anastomosis, whereas these findings were revealed with difficulty by autopsy dissection only. In cases with correct x-ray projection, narrowing and occlusion of the proximal aortal and distal coronary anastomosis were also reliably revealed by angiography. In contrast, graft thrombosis was clearly overdiagnosed by angiography, leading to a lower specificity (84%) but high sensitivity (100%) in detecting this complication. Post-mortem angiography also failed to detect dissection of the wall of the graft or anastomosis. Technical problems with this angiographic method were due to too low perfusion pressure, too rapid polymerizing of the silicone rubber, leakage of contrast medium into the ventricles, or faulty x-ray projections. These results suggest that our post-mortem angiographic technique, yielding a permanent rubber-cast model of the graft and anastomosis site, improves the accuracy of diagnostics of postoperative CABG complications and eases postoperative autopsy dissection, which can now be directed to confirm suspected complications.

Aged↗

PubMed1988

Apoprotein AII in acute pancreatitis: intriguing improvement in the prediction of fatal outcome.

In spite of significant advances in the past decade, assessing of severe prognosis in acute pancreatitis remains an improvable problem. Actually the standardized means are clinical, multiple laboratory and peritoneal lavage. In a series of 20 subsequent cases of acute pancreatitis with a lethality of 30%, apolipoprotein AII has proven to be a predictor of fatal outcome with a sensitivity in the range of all other methods together. Competitive replacement of Apo AII by serum amyloid like substance A as an indicator for the amount of necrosis would explain this relation. Whether this suggestion can be confirmed by ongoing work or not, apolipoprotein AII merits attention in this context.

Acute Disease↗

PubMed1983

Pleomorphic xanthoastrocytoma. Ultrastructural and immunohistochemical study of a case with a rapidly fatal outcome following surgery.

In 1979, researchers described a series of young patients with clinically and histologically distinctive supratentorial gliomas which were designated pleomorphic (meningocerebral) xanthoastrocytomas (PXA). Significantly, patients with these neoplasms were reported to have a relatively favorable prognosis. The authors present a new case of PXA in a 32-year-old man. This case is unique for two reasons: (1) a relatively rapid fatal outcome with death 21 months after diagnosis; and (2) the presence, at autopsy, of extensive recurrent tumor with features of a malignant astrocytoma. Detailed electron microscopic and immunohistochemical studies, supporting the proposed subpial astrocytic origin of PXA, are presented. Literature pertaining to PXA is reviewed. This report illustrates the unique features of PXA and demonstrates its potential for aggressive behavior.

Astrocytoma↗

PubMed1988

Fatal outcome in drug addiction.

A sample of 524 young drug addicts consecutively treated at a special hospital ward has been followed by registers for an average of 10 years. A total of 62 were found to have died drug-related deaths at an average age of 28 years; 19 of them had committed suicide. Representativeness of the sample is investigated. Sex and choice of drugs were predictive factors behind fatal outcome: male opiate addicts died 5.4 times and male amphetamine abusers 2.5 times as often as expected. The males were exposed to greater risk than the females. Those who committed suicide had an hereditary disposition for mental disturbances, especially affective disorders. Lethal substances proved to be opiates, barbiturates and alcohol and/or other psychotropic preparations. Signs of heart disease were often found in the overdose cases. Most of the addicts who died were in a compulsive stage of the drug career, but some were abstaining or trying to abstain from drugs. A critical period seems to be at 26-28 years of age, a period when the abuse seems to be most intense and compulsive, the suicide risk is high and the efforts to abstain from drugs most serious and hazardous.

Adolescent↗

PubMed2005

Absence of caspase 3 activation in neoplastic cells of nasopharyngeal carcinoma biopsies predicts rapid fatal outcome.

Poor prognosis in nasopharyngeal carcinoma patients may result from resistance to the apoptosis-inducing effect of radio- and/or chemotherapy. Apoptosis depends on proper activation of caspase 3, resulting in cleavage of key proteins like PARP-1. To investigate whether disruption of the apoptosis pathway results in therapy-resistant tumour cells, we investigated whether absence of caspase 3 activation in tumour biopsies of nasopharyngeal carcinoma patients is related to poor clinical outcome. Moreover, we investigated whether absence of caspase 3 activation is related to loss of procaspase 3 expression or expression of the apoptosis regulators p53, bcl-2 and XIAP. We studied 36 Indonesian nasopharyngeal carcinoma patients without evidence of distant metastases who were treated with curative intent by radiotherapy only. Activation of caspase 3 and expression of the different markers were determined using specific antibodies. Levels of caspase 3 activation were determined by quantifying positively staining tumour cells. Nasopharyngeal carcinoma-derived C15 and C17 tumour cells were used as control. Absence of caspase 3 activation was strongly related to a poor clinical response to radiotherapy and to a higher T and N stage, resulting in a particularly poor clinical outcome with regard to progression-free (P<0.0001) and overall survival time (P<0.0001). Absence of caspase 3 activation was significantly correlated to loss of expression of procaspase 3 (P=0.04). In nasopharyngeal carcinoma patients treated with curative intent, absence of active caspase 3-positive neoplastic cells predicts rapid fatal outcome, and is associated with poor response to radiotherapy and high T and N stage at time of presentation.

Antineoplastic Agents, Phytogenic↗

PubMed1978

[Fatal outcome of emphysema without increased bronchial resistance and 6 cases of chronic dyspneic hypoxemic bronchial disease with normal spirometry].

The cases of seven patients with dyspnea, hypoxemia and normal ventilatory tests are presented. Closing volume was measured in 6 and was increased. Two were heavy smokers, 2 were obese, and 2 were exposed to inhalation of industrial irritants. The last patient had severe dyspnea and pronounced hypoxemia which eventually resulted in pulmonary hypertension and right ventricular failure. Lung scan was normal. Plethysmography showed normal bronchial resistance. Autopsy revealed chronic bronchitis, bronchiolectasis and emphysema. This case was interpreted as an example of fatal outcome of small airway disease.

Adult↗

PubMed1952