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 59,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

There have been only a few investigations that have considered renal disease or any disturbance of renal function in the calculation of risk in cardiac surgery. Risks of cardiac surgery have to be considered for renal disease without direct connection to heart disease (e.g., infections of the kidney and of the urinary tract, primary and secondary glomerulonephritis, parenchymal renal disease, and impaired renal function of unknown origin), as well as in renal disease with concomitant influence on heart and kidney (e.g., infective endocarditis, arterial hypertension, systemic disease of heart and kidney such as with diabetes mellitus, disturbance of kidney function or electrolyte balance due to heart failure). In most cases, the problem is solved by therapeutic intervention and postponement of cardiac surgery. A limited or negative operative indication is found with untreatable infection of the kidney or urinary tract, with untreatable nephrotic syndrome, in advanced renal disease with heart transplantation, as well as in case of severe arterial hypertension with possible organ complications, and in advanced diabetes mellitus with ESRD and multiorgan involvement. After cardiac surgery, acute renal failure represents a critically important complication. Primary therapeutic procedures must include prophylaxis of hemodynamic unstable situations, as well as prophylaxis of infectious complications. Cardiac surgery in dialysis patients and post-transplant patients is basically possible and only has a slightly increased risk compared to patients with normal renal function. Seventy-seven dialysis patients were operated (49 aorto-coronary bypass operations, 19 single-valve and multiple-valve replacements, five patients with valve replacement and aorto-coronary bypass, and four other cardiac surgical operations). Only in valve replacement, was mortality significantly higher than in renal healthy persons, the main causes of death being cerebrovascular complications and septicemia.
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PMID:[Extracardiac risk factors in heart surgery--the kidney]. 208 10

68 patients presented to the Veterans General Hospital, Taipei with nonenterococcal group D streptococcal septicemia in the years 1985-1987. 36 patients (53%) had nonenterococci as part of a polymicrobial bacteremia. The large intestine was not examined in most patients. Five patients (7%) had associated colonic carcinoma, and 17 patients (25%) had colorectal diseases. Only 7/68 patients (10%) were clinically diagnosed as having infective endocarditis by the doctors in charge. The others were regarded as having septicemia. The charts of these patients were reviewed retrospectively to diagnose infective endocarditis based on strict definitions. One (1%) had definite endocarditis proved at autopsy. 16 patients (24%) had probable endocarditis due to the presence of either a new regurgitant murmur or both a predisposing heart disease and embolic phenomena; 39 (57%) had possible endocarditis based on evidence of having either a predisposing heart disease or embolic phenomena; and only 12 (18%) had no evidence of endocarditis. 27 patients (40%) had at least one predisposing heart disease associated with endocarditis. 51 patients (75%) had at least one lesion suggesting embolic phenomena. 30 patients (44%) had electrocardiographic abnormalities. This high incidence of arrhythmia in nonenterococcal septicemia is of particular interest and could be related to cardiac involvement in some patients. The overall mortality, 62% (42/68), was extremely high in our series, but in those who were clinically diagnosed and treated as infective endocarditis, the mortality was low, 14% (1/7). We suggest all patients with nonenterococcal septicemia associated with either heart disease or lesions of CNS, lung, heart, kidney or limbs suggesting embolic phenomena should be regarded as having possible or probable endocarditis. Treating such patients as having infective endocarditis may reduce the mortality in nonenterococcal septicemia.
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PMID:Nonenterococcal group D streptococcal septicemia: association with unrecognized endocarditis. 212 42

Right heart failure in patients with carcinoid heart disease is a serious prognostic sign. Consideration and adequate timing of valvular operations seem essential for the postoperative outcome. Without any relation to duration or progression of the metastasizing tumor disease, right heart failure developed and increased rapidly for a period of 12 to 17 months in four patients with classic carcinoid syndrome. Invasive hemodynamic and cardiac ultrasound investigations revealed severe carcinoid heart disease, and medical decompensation treatment gradually failed. Tricuspid and pulmonic valve replacement operations resulted in dramatic improvement in three of the patients, and these patients were still free of cardiac symptoms 10, 12, and 38 months postoperatively. One patient died 5 days postoperatively probably of septicemia. The preoperative and postoperative development of the cardiac disease is evaluated clinically, by cardiac ultrasound and plasma atrial natriuretic peptide concentrations, and related to the tumor disease. Surgical anatomy and operative technique are reported, and the beneficial value of prophylactic treatment of the effects of tumor-released vasoactive substances by a somatostatin analog is emphasized.
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PMID:Surgical treatment of carcinoid heart disease. 214 80

Because massive pulmonary thromboembolism is a rarely described cause of sudden and unexpected death in the pediatric age group, a 50-year retrospective review of autopsy cases at the Hospital for Sick Children, Toronto, Canada, was conducted to determine the local incidence and clinicopathologic features of such patients. Only 8 cases (0.05%) from a total of approximately 17,500 autopsies were found. The ages ranged from 1 month to 13 years and predisposing factors included recent surgery, congenital heart disease, in-dwelling venous catheters, sepsis, an arteriovenous malformation, occult malignancy, and prolonged immobility. This study confirms that pulmonary thromboembolism is a diagnosis that must be considered in cases of sudden and unexpected death in the pediatric age group. Its incidence, however, appears to be extremely low even in a relatively high-risk population.
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PMID:Sudden and unexpected death in infancy and childhood due to pulmonary thromboembolism. An autopsy study. 230 30

Intraventricular hemorrhage is an uncommon problem in the full-term newborn. In a review of 19 full-term infants with intraventricular hemorrhage diagnosed on computed tomography prior to 1 month of age, thalamic hemorrhage associated with the intraventricular hemorrhage was documented in 12 infants. Thus, thalamic hemorrhage appears to the most common source of intraventricular hemorrhage in this age group, particularly in infants who had uneventful birth histories and in whom clinical abnormalities (signs of increased intracranial pressure, seizures, altered level of consciousness) developed after the first week of life. The majority of these infants had predisposing factors for cerebral venous infarction such as sepsis, cyanotic congenital heart disease, and coagulopathy. The clinical appearance and outcome for infants with thalamic hemorrhage/intraventricular hemorrhage were similar to those in infants with intraventricular hemorrhage originating from other sites, except for an increased incidence of cerebral palsy in infants with thalamic hemorrhage/intraventricular hemorrhage. Definitive diagnosis was made on the basis of characteristic radiologic abnormalities.
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PMID:Thalamic hemorrhage with intraventricular hemorrhage in the full-term newborn. 850 40

Multiple levels of aortoileofemoral occlusive disease may necessitate profundoplasty or extension of the outflow anastomosis to insure pelvic and distal arterial perfusion. During the period 1978 through 1988, 1637 patients underwent elective aortic reconstruction for aneurysmal or occlusive disease. One hundred forty-five had profundoplasty performed to ensure adequate outflow. Associated disease was common with 88 (60%) patients having arteriosclerotic heart disease and chronic obstructive pulmonary disease (COPD) present in 89 (61%) patients. Hypertension and extracranial occlusive disease was found in 68 (46%) and 56 (38%) patients, respectively. The superficial femoral artery was occluded in 108 (74%) patients, while in 17 (12%) the profunda femoris was the only patent artery in the groin. Death occurred in nine patients (6.2%). Three were due to arrhythmias or myocardial infarction and ischemic colitis was the cause of death in two. Renal failure, sepsis, aspiration and cerebral anoxia, and disseminated intravascular coagulopathy accounted for one each. Five graft limbs failed. Amputation was required in one patient, while thrombectomy or distal bypass restored flow in four patients. Seventeen graft limbs in 136 patients occluded during the follow-up period. Distal bypass was successful in four and amputation was required in the fifth patient. Extension of the profundoplasty restored flow in nine limbs, while thrombectomy alone was successful in one. Bilateral amputation was required in one patient with poor run off and insufficient autogenus venous tissue. One hundred fourteen (78.6%) of the 145 patients survived 10 years with patency in 268 of the original 290 limbs at risk (92.4%). Profundoplasty in these patients with multilevel disease seems to extend the long-term patency of aortofemoral grafts and allows return to a normal life-style.
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PMID:Extended profundoplasty to minimize pelvic and distal tissue loss. 235 32

This is a case of postoperative Legionella pneumonia in a full-term infant with hypoplastic left heart syndrome. The infant had an uncomplicated prenatal history, normal vaginal delivery, Apgars of 8 at 1 and 5 minutes, but was cyanotic at birth. At 3 days of age she had a stage 1 Norwood surgical procedure to palliate her congenital heart disease. A synthetic patch was placed over the thoracic midline because of difficulty in reapposing the sternum. Peritoneal dialysis was used to manage renal failure. At 20 days of age she had disseminated intravascular coagulopathy and pneumonia associated with sepsis. Four days later she died. Legionella pneumophila serogroup 1 was isolated from a lung culture taken at autopsy.
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PMID:Fatal postoperative Legionella pneumonia in a newborn. 235 3

From 1978 to 1987, 350 infants and children had silicone central catheters placed for long-term venous access. Real time echocardiography showed a catheter tip thrombus in 16 patients, including 12 premature infants and four children. Catheters had been in place for eight to 560 days. Thirteen patients were receiving total parenteral nutrition (TPN) at the time thrombus was identified, and one patient had received TPN 2 weeks previously. Indications for echocardiography included sepsis (7), respiratory insufficiency (6), evaluation of heart disease (3), and catheter malfunction (1); several patients had multiple indications. Treatment was individualized and included atriotomy (2), systemic heparin and thrombolytic agents with or without catheter removal (8), catheter removal only (3), and observation (3). Four of eight patients treated with thrombolysis had complete clot lysis and four had partial dissolution. Two patients managed expectantly had resolution of the thrombus. None of the patients suffered further complications or died as a result of the thrombus, but ten of the 16 died 1 to 12 weeks later from their underlying disease. Forty-seven asymptomatic patients were studied by echocardiography to assess the incidence of unsuspected right atrial thrombus. Their catheters had been in place for a mean of 200 days and only 11 had been used for TPN. None of these patients had identifiable thrombus at the catheter tip. The incidence of catheter tip thrombus, which is higher than previously suspected, is related to prematurity, TPN, and continuous catheter use, but not duration of catheterization. The incidence is low in asymptomatic patients. Treatment regimen must be individualized and this series reflects a trend toward more conservative management.
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PMID:Thrombus associated with central venous catheters in infants and children. 249 18

In order to investigate the morbidity and mortality in individuals with Down syndrome(DS), we reviewed 237 cases of DS visiting our hospital in a ten-year period. There were 150 males and 87 females with age range from newborn to 25 years. The major illnesses included: 1) congenital heart disease (CHD), 42.6%; with endocardial cushion defect, ventricular septal defect, atrial septal defect and patent ductus arteriosus as the common types; 2) frequent or major respiratory tract infections, 34.2%; 3) summer fever, 5.5%; 4) major infective episodes other than pneumonia, 5.0%. Other diseases such as seizure disorder, gastrointestinal tract anomalies and thyroid dysfunction were also noted. There were 28 deaths of them and the causes of mortality were 1) CHD with congestive heart failure (CHD with CHF) and pneumonia (46.9%); 2) CHD with CHF and sepsis (10.7%); 3) CHD with CHF (14.3%) and 4) acute leukemia with infection (10.7%) respectively. Most of the mortality occurred during the first year of life, especially in patients with CHD. In our series, the one year survival rate was 93.6%; the result indicates that life expectancy in DS is much better than generally believed.
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PMID:Mortality and survival in Down syndrome in Taiwan. 253 73

Of 400 patients with acute, chronic or chronic relapsing pancreatitis surveyed in the present study, only 54 had had ECG in their files. Among these, 80% showed ECG alterations, mostly sinus tachycardia and diffuse disturbances of ventricular repolarization. The causes of these alterations are, as yet controversial. Some explanations for these alterations are hypovolemia, sepsis and acute inflammatory state. Other important findings in the patients were bundle branch block, not encountered either before the pancreatic crisis or after its resolution, nor was dielectric effect and lesion current observed in either the acute and chronic forms. The possibility of the presence of previous cardiopathy in patients with high alcoholic intake, Chagas' disease, high blood pressure or diabetes, which are quite likely in these patients, should be recalled as important factors: marked electrolytes disorders were not frequent and did not correlate with ECG findings. The aim of this study is to highlight the importance of ECG during systematic search in the follow-up of patients with pancreatitis, in order to better understand associated cardiac disorders and to improve diagnosis, prevention and treatment.
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PMID:[Electrocardiographic changes in pancreatitis]. 260 72


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