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At least 685 records · Page 38Linked to original sources
PubMed2001

Ruptured left ventricular pseudoaneurysm penetrating into the left pleural cavity.

We experienced a rare case of ruptured left ventricular pseudoaneurysm penetrating into the left pleural cavity. A 77-year-old woman was first diagnosed with unstable angina due to sudden chest pain onset and abnormal electrocardiographic findings. In 2 days, massive left pleural effusion was recognized by chest X-ray, though subsequent computed tomographic scans did not show any aortic pathology. We observed her with left thoracentesis alone. Two days later, cardiac arrest suddenly occurred and emergency surgery was undertaken after resuscitation by percutaneous cardiopulmonary support. In surgery, a moderate amount of intrapericardial hematoma caused by rupture of a left ventricular pseudoaneurysm penetrating into the left pleural cavity was found and successfully repaired. This rare rupture of a left ventricular pseudoaneurysm penetrating into the left pleural cavity generated massive hemo-hydrothorax.

Aged↗
PubMed2000

Ovarian hyperstimulation syndrome (OHSS): diagnosis and management.

OBJECTIVE: To present our experience and the current knowledge about pathophysiology, diagnosis, and management of the ovarian hyperstimulation syndrome (OHSS). DESIGN: Retrospective study concerning clinical and laboratory findings of severe OHSS. SETTING: General ICU at a maternity-surgical hospital. PATIENTS: Ten patients suffering from severe OHSS. INTERVENTIONS: Supportive and preventive therapeutic measures applied are described. MEASUREMENTS AND RESULTS: Admission and discharge data as well as worst values during disease course were recorded. Clinical and laboratory findings showed third space fluid shift leading to weight gain, generalized tissue edema, ascites, hydrothorax, abdominal distension and pain, chest discomfort, hypovolemia, dehydration, ovaries enlargement, electrolyte disturbances, hypoalbuminemia, high hematocrit, urea, and WBC. CONCLUSIONS: OHSS is an iatrogenic complication of assisted conception of unknown pathogenesis, with potentially life-threatening sequelae due to hemoconcentration such as circulatory shock, ARDS, hepato-renal failure, thromboembolic phenomena, and multi-organ dysfunction syndrome. Gynecologists and intensivists must be aware of the diagnosis and management of the syndrome because of the widely used reproductive techniques for assisted conception.

Adult↗
PubMed2004

Cytoreductive surgery and intraperitoneal chemohyperthermia for recurrent peritoneal carcinomatosis from ovarian cancer.

Aggressive surgical cytoreduction has been shown to have a positive impact on survival of patients with ovarian cancer. After first-line chemotherapy, 47% of patients relapse within 5 years, and median survival after second line chemotherapy is 10-15 months. Adding intraperitoneal chemohyperthermia (IPCH) to surgical cytoreduction could further control ceolomic spread of disease. The aim of this study was to determine morbidity and mortality, regional relapse-free survival and, preliminarily, overall survival after combining cytoreductive surgery with IPCH for the treatment of peritoneal carcinomatosis from ovarian epithelial cancer relapsed after prior chemotherapy. Thirty women affected with such a relapse were included. Patients underwent extensive cytoreductive surgery including tumor resections and peritonectomy, followed by intraoperative IPCH with cisplatin. Complete surgical cytoreduction down to nodules less than 2.5 mm (CC0-CC1) was obtained in 23 patients (77%). One patient died postoperatively from a pulmonary embolism. Major postoperative morbidity was 5/30 (16.7%). We registered one case of anastomotic leakage, a spontaneous ileum perforation, a postoperative cholecystitis, a hydrothorax, and one patient with bone marrow toxicity. Kaplan-Meier estimates of median locoregional relapse-free survival and median overall survival were 17.1 months and 28.1 months, respectively. Patients with CC0-CC1 had locoregional relapse-free and overall survival rates of 24.4 and 37.8 months, whereas the remainder had survival rates of 4.1 and 11.0 months. We concluded that cytoreductive surgery combined with IPCH is feasible with acceptable morbidity and mortality and seems to promise good results in selected patients affected with peritoneal carcinomatosis from ovarian cancer.

Adult↗
PubMed2001

Transjugular intrahepatic portosystemic shunt: present status, comparison with endoscopic therapy and shunt surgery, and future prospectives.

During the 13 years since its introduction into clinical practice, transjugular intrahepatic portosystemic shunt (TIPS) has become widely accepted worldwide as a percutaneous, interventional procedure for treating complications of portal hypertension. An experienced, skillful team, however, is necessary to ensure the high technical success of TIPS and to avoid its potential procedural complications. Presently, TIPS is used mainly for treatment of acute or recurrent hemorrhage from gastroesophageal varices refractory to endoscopic therapy. Randomized studies have shown that it is more effective than endoscopic treatment for preventing rebleeding; however, it is associated with a higher incidence of encephalopathy. Both treatments produce comparable survival rates. TIPS is also effective in the treatment of hepatogenic ascites and hydrothorax and hepatorenal syndrome. In comparison with surgical shunts, TIPS is a significantly less invasive procedure that can be done in poor surgical candidates with advanced cirrhosis. The high rate of shunt obstructions seen with TIPS mandates close surveillance and maintenance, rendering TIPS a multistage procedure. This is a major disadvantage of TIPS compared to surgery. Presently, both TIPS and surgical shunts have their place in the treatment of gastroesophageal variceal hemorrhage unresponsive to endoscopic therapy. TIPS is most suited for class B and C patients, particularly those who are candidates for liver transplantation. Surgical shunts should be considered for patients with well preserved liver function. Large, randomized controlled studies should be done to compare these treatment methods. Animal experimental and early clinical studies using covered stents (stent-grafts) are promising for the prevention of shunt obstructions and thus converting TIPS from a multistage to a one-stage procedure.

Animals↗
PubMed2004

MR assessment of fetal lung development using lung volumes and signal intensities.

The purpose of this study was to evaluate the monitoring and diagnostic potential of MRI in fetal lung development and disease using lung volume and signal intensity changes through gestation. Thirty-five healthy fetuses (22-42 weeks) were examined on a 1.5- T MR system using sagittal T2w single-shot fast spin-echo imaging (TR indefinite, TE 90 ms, slice thickness/gap 3-5/0 mm, FOV 26-40 cm, NEX 0.5). Fetal body and lung were segmented manually and volumes calculated. Signal intensities (SI) of fetal lung and three reference values were measured on the section best displaying the lung. Regions of interests were defined by including the maximal organ area possible. The following SI ratios were generated: lung/liver, lung/amniotic fluid, lung/muscle, liver/fluid and liver/muscle. Volumes and ratios were correlated with gestational age. Data from seven fetuses with pulmonary pathology were compared with these normative values. Absolute lung volume varied from 12.3 to 143.5 cm(3) in correlation with gestational age ( P<0.001); lung volume relative to total body volume ranged from 1.6 to 5.0%, decreasing with gestational age ( P=0.001). All SI ratios measured were unrelated to gestational age. Diagnoses in the seven abnormal fetuses were hydrothorax ( n=2), congenital cystic adenomatoid malformation ( n=2), diaphragmatic hernia ( n=2) and pulmonary sequestration ( n=1); their absolute and relative lung volumes were below normal ( P<0.001). The SI ratios did not differ significantly from those in the normal population. Normative MR fetal lung volumes may have important clinical applications in confirming and quantifying intrauterine pulmonary hypoplasia and in complementing ultrasound in the planning of fetal and post-natal surgery. No clinical relevance was found for fetal lung SI values.

Fetal Organ Maturity↗
PubMed2006

Central venous catheter placement in children: a prospective study of complications in a Brazilian public hospital.

Central venous access is frequently used in infants and children with a wide variety of conditions. This report evaluates our experience and the complications from central venous catheters (CVC) placed percutaneously in children at a public hospital of a developing country-Brazil. To identify associated complications, data were collected prospectively and 155 consecutive catheterizations in children at a public hospital over a nearly 8-month period were analyzed. Data collected included sex, age, weight, primary diagnosis, indication for placement, presence of blood coagulation disturbance, hospital department for procedure, type of anesthesia, type of catheter (diameter, lumen number, material), site of catheterization, number of attempts, number of puncture sites, complications during puncture, the time catheter remained in place, later complications (mechanical, infectious) and reason for catheter removal. A total of 155 catheters were placed in 127 patients. There were 130 neck lines and 25 groin lines. The success rate was 81.9% at the initially chosen puncture site and rose to 100% with the inclusion of the second site. Perioperative complications occurred in nine (5.8%) cases, including six (3.9%) hematomas and three (1.9%) arterial puncture. There was no pneumothorax, hemothorax or hydrothorax. During the time the catheter remained in place, there were 51 (32.9%) complications, of which 33 (21.3%) were mechanical and 18 (11.6%) suspected catheter-related infection. These complications were responsible for the removal of the catheter. Despite the relatively high complication rate there were no catheter-related deaths. Body weight was significantly lower for children who underwent more than one puncture site (P=0.01). Age, sex, type of catheter and primary diagnosis were not associated with complications. Knowledge of anatomy and familiarity with the Seldinger technique highly increase the catheterization success rate, with few surgical complications. A better nursing care of CVC is emphasized. The available modern venous catheters at a public hospital in Brazil have contributed to improve the quality of pediatric medical care. Nowadays, the percutaneous CVC is the preferred method in pediatric patients.

Adolescent↗
PubMed2006

Wide clinical spectrum in a family with hereditary lymphedema type I due to a novel missense mutation in VEGFR3.

Hereditary lymphedema type I (HL-I), also known as Milroy disease, is an autosomal dominant disorder characterized by typical phenotype of infantile onset lower-limb lymphedema accompanied by variable expression of recurrent episodes of cellulites, toenail changes, and papillomatosis. Mutations in the vascular endothelial growth factor receptor 3 (VEGFR3), also known as FLT4 gene, which encodes a lymphatic endothelial-specific tyrosine kinase receptor, have been identified as a genetic cause of HL-I. We report a large Muslim Arab family residing in northern Israel with 14 individuals presenting clinical features of HL-I. Genetic analysis revealed novel missense mutation E1106K in the tyrosine kinase domain II of VEGFR3 that cosegregates with the disorder in the family. Most affected individuals presented with bilateral congenital lower-limb lymphedema. Wide intrafamilial phenotypic variability included two asymptomatic individuals, a case of prenatal hydrothorax evolving to hydrops fetalis, and a late-onset complication, yet unreported, of chronic degenerative joint disease of the knees. This report broadens the known "classic" phenotype of HL-I.

Adolescent↗
PubMed2000

The use and misuse of transjugular intrahepatic portasystemic shunts.

Transjugular intrahepatic portasystemic shunts, or TIPS, are used to create a low-resistance channel between the hepatic vein and the intrahepatic portion of the portal vein by deployment of an expandable metal stent. TIPS function like side-to-side surgical portacaval shunts, but their placement does not require anesthesia and major surgery. This article reviews the uses and misuses of TIPS in current practice. The uses include variceal hemorrhage and ascites as well as miscellaneous indications such as Budd-Chiari syndrome, veno-occlusive disease, bleeding ectopic and rectal varices, hepatic hydrothorax, and portal hypertensive gastropathy. TIPS is not indicated for primary prophylaxis of variceal hemorrhage, prehepatic portal hypertension, correction of hypersplenism and thrombocytopenia, pulmonary hypertension and hepatopulmonary syndrome, and portal hypertension associated with polycystic liver disease or Caroli's disease. Also reviewed herein is the management of patients after TIPS placement.

Ascites↗
PubMed2003

Current use of transjugular intrahepatic portosystemic shunts.

The principal indication for transjugular intrahepatic portosystemic shunts (TIPS) continues to be rescue therapy for variceal hemorrhage that cannot be controlled by endoscopic or medical therapy. TIPS provide no survival advantage in prevention of rebleeding or refractory ascites. The indications for TIPS continue to expand, however, especially for Budd-Chiari syndrome and hydrothorax. Other more novel indications include bleeding portal hypertensive gastropathy or ectopic varices, Budd-Chiari syndrome, veno-occlusive disease, hepatorenal syndrome, hepatopulmonary syndrome, hepatocellular carcinoma, and polycystic liver disease. Great strides have been made recently in models to predict mortality and complications following TIPS placement. Graft stents hold promise based on early studies. Finally, complications are common and may be life threatening.

Esophageal and Gastric Varices↗
PubMed2006

Treatment of refractory ascites.

In 1996, the International Ascites Club defined "refractory ascites" as ascites that cannot be mobilized by medical therapy or that recurs early after initial mobilization despite continued treatment. Of all patients with ascites, 5% to 10% will become refractory to medical therapy. Management of refractory ascites should attempt to control fluid accumulation, reduce the likelihood of developing complications such as spontaneous bacterial peritonitis (SBP) and the hepatorenal syndrome, and improve the patient's nutritional status and overall well-being. Measures to control ascites accumulation include documenting medication and dietary compliance and eliminating potentially nephrotoxic agents that promote sodium retention. Large volume paracentesis is an effective first step in managing these patients and can be performed routinely in an outpatient setting. When more than 5 L of fluid are removed during a paracentesis, intravenous albumin should be infused to reduce the likelihood of the patient developing postparacentesis circulatory dysfunction. Transjugular intrahepatic portosystemic shunt (TIPS) placement effectively eliminates ascites; however, there is no convincing evidence that the shunt improves mortality. Furthermore, it is associated with frequent complications of encephalopathy and shunt malfunction. We feel TIPS should be reserved for patients requiring extremely frequent paracentesis, those who develop significant postparacentesis circulatory dysfunction, or those with hepatic hydrothorax. Patients who have evidence of SBP should be treated with antibiotics and intravenous albumin infusion. Patients who have had a previous episode of SBP or an ascitic fluid protein level of less than 1.0 should receive prophylactic antibiotics. Overall, the prognosis for patients with refractory ascites remains grim, and liver transplantation is the only definitive therapy. Appropriate candidates should be identified promptly and referred for transplant evaluation.

Journal Article↗
PubMed1978

Myocardial infarction in young vs old male rats: pathophysiologic changes.

Young (90 days) and old (15 months) male, Sprague-Dawley rats were subjected to an acute and massive myocardial infarct by giving them two injections of a large dose of isoproterenol. The animals were autopsied at sequential time intervals to ascertain the similarities or dissimilarities in the pathophysiologic events which attend acute myocardial infarction and repair in young vs old rats. Although the signs and severity of hypotensive shock appeared to be equal, mortality was higher in the old rats, especially during the acute necrosis phase. The older rats also manifested more severe and persistent congestive heart failure, i.e., hydrothorax. Serum enzymes (CPK, SGOT, SGPT, and LDH), lipids (triglycerides, free fatty acids, and cholesterol), glucose, and BUN levels manifested a dynamic rise and fall concomitant with the induced myocardial necrosis and repair phases with distinct differences in these metabolic changes between young and old rats. Despite initially higher circulating levels of corticosterone in the old vs young rats, the older animals manifested little or no increase in circulating corticosterone levels during the acute stress of myocardial infarction. This apparent lack of adrenocortical responsiveness was accentuated by the concomitant finding of greatly hypertrophied, hemorrhagic, and lipid-depleted adrenal glands in the old rats vs a dynamic increase in circulating corticosterone levels and alterations in the weight of adrenal and thymus glands of the young rats. During the myocardial repair phase, the young rats manifested extensive endocardial fibrosis whereas the old rats displayed little or no endocardial fibrosis but copous and persistent myocardial edema and ground substance in keeping with their higher concentration of cardiac hexosamine. The pathophysiologic course of events which attends myocardial necrosis and repair is quite different in young vs old rats and may be related to the degree of responsiveness of the pituitary-adrenal axis which changes with age.

Adrenal Glands↗
PubMed1979

Short-term femoral vein catheterization. A safe alternative venous access?

Results of femoral vein catheterization were compared with those of subclavian and antecubital vein catheterization in 2,345 combat casualties during treatment of hypovolemic shock. Femoral vein catheterization was successful in 95.5 per cent of cases. Accidental arterial puncture occurred in 6.3 per cent, hematomas in 1.3 per cent, and infection in 1.4 per cent. Subclavian vein catheterization was successful in 92.4 per cent. Arterial puncture occurred in 0.4 per cent, hematomas in 0.3 per cent, infection in 1.1 per cent, pneumothorax in 1.4 per cent, and hydrothorax in 0.4 per cent. Antecubital vein catheterization was successful in 77.6 per cent, infection developed in 3.3 per cent, and phlebitis occurred in 5.6 per cent. No clinically detectable phlebitis occurred after either femoral or subclavian vein catheterization. The low morbidity of femoral vein catheterization in this series suggests that this approach be considered when short-term massive intravenous fluid administration is indicated in the treatment of circulatory collapse or cardiac arrest.

Blood Transfusion↗
PubMed1991

Protection of rats against the effects of alpha-naphthylthiourea (ANTU) by elevation of non-protein sulphydryl levels.

We have investigated the influence of the elevation of pulmonary glutathione (GSH) levels on the toxicity of the rodenticide alpha-naphthylthiourea (ANTU) to rat lung. Administration of phorone (diisopropylidene acetone; 200 mg/kg i.p.) caused an initial depletion of both pulmonary and hepatic GSH followed after 48 hr by a marked elevation in both tissues, due most probably to a compensatory rebound synthesis. In control rats, ANTU produced a dose-dependent lethality, hydrothorax and loss of ability of lung tissue to accumulate adenosine and spermidine (markers of endothelial and epithelial cell function, respectively). These effects were prevented or markedly ameliorated when ANTU was given 48 hr after pretreatment with phorone. The mechanism of the protection by phorone pretreatment against ANTU-induced pulmonary toxicity is unclear. It may be due, in part, to elevated GSH levels in pulmonary endothelial cells and, in addition, to increased detoxification of ANTU in the liver, resulting in a decreased availability to the lung.

Adenosine↗
PubMed1977

Acid glycosaminoglycans (mucopolysaccharides) in the differential diagnosis of pleural effusion.

Pleural fluid glycosaminoglycans (GAG) in 64 patients with various diseases were isolated by anion-exchange chromatography after proteolysis, and characterised by spectrophotometric, electrophoretic and enzymatic techniques. GAG concentrations ranged from 7 to 1178 microng hexuronate/ml pleural fluid. The highest values (1178, 161 and 160 micron/ml) were found in patients with diffuse mesothelioma. Over 90% of the pleural fluid GAG consisted of hyaluronic acid (HA) in these patients. In other types of pleural effusion the relative HA content varied from 42 to 70% of the total GAG. Determination of pleural fluid HA consequently appears extremely valuable in the diagnosis of the form of mesothelioma producing HA. The mean GAG concentration of pleural fluid was significantly higher in tuberculous pleurisy than in hydrothorax (P less than 0.01), secondary malignant pleural effusion (P less than 0.0005) and idiopathic pleurisy (Pless than 0.03). It was impossible to demonstrate definite correlations between GAG and protein, and GAG and glucose concentrations of pleural fluid.

Diagnosis, Differential↗
PubMed1983

Variant of pseudo-Meig's syndrome.

A variant of pseudo-Meig's syndrome is reported in an 8-year-old female patient. The unusual presentation of this new variant (persistent bronchorrhea and absence of hydrothorax) is emphasized. Meig's and pseudo-Meig's syndromes are discussed with emphasis on the new variant of pseudo-Meig's syndrome. Attention is directed at the pathophysiologic mechanism and the early surgical intervention to avoid further complications.

Bronchial Diseases↗
PubMed1986

Surgical management of peritoneal dialysis catheters in children: five-year experience with 1,800 patient-month follow-up.

Currently at our institution more than 90% of the children with end-stage renal disease are managed with continuous ambulatory peritoneal dialysis (CAPD) in preference to hemodialysis until a successful transplant is accomplished. Recent refinements in CAPD catheters and dialysis techniques have greatly added to the many medical, psychological, and economic advantages of CAPD compared with chronic hemodialysis. Ninety-three patients less than 21 years of age underwent insertion of 167 peritoneal dialysis (PD) catheters over a 5-year period. A variety of PD catheters were used, including 121 (73%) double-cuff Tenckhoff catheters, 22 (13%) single-cuff, and 24 (14%) column disc catheters (Lifecaths, Physio-Control Corp, Redmond, WA). There were three (3%) noncatheter-related mortalities and minimal significant morbidity during the 1,819 patient-months of catheter use. Exit site infections (61%) and peritonitis (59%) were frequent but minor complications, occasionally requiring catheter replacement. Other noninfectious complications included abdominal hernias (42%), dialysis leaks (14%), distal cuff extrusion (11%), catheter obstruction (7%), and hydrothorax (2%). Forty-five of the 60 hernias (75%) were surgically repaired in patients while receiving CAPD. Persistent or recurrent peritonitis was common with Pseudomonas, Serratia, and fungal infections and often resulted in catheter removal and loss of the peritoneal dialysis membrane. Catheter survival for the double-cuff Tenckhoff was significantly better (P .005) than the single-cuff or Lifecath. Based on this experience we have found that using specific operative techniques for CAPD catheter placement and early surgical management for severe peritonitis reduces the incidence of complications and modality failure.

Adolescent↗
PubMed1981

Monitoring of HMG-stimulated follicular development by real-time ultrasound.

Monitoring of human follicular development by real-time ultrasound during HMG-HCG treatment is presented. With the aid of ultrasound monitoring, the ovulation rate is raised to 94.3% (formerly 80% without ultrasound). Serious side effects such as ascites and/or hydrothorax did not occur in this study (1.2% without ultrasound controls). The pregnancy rate was 21/47 (44%) of all hormonally treated patients. By means of real-time sector scan examination, the growing follicle could be detected in 103/106 (97.3%) of HMG-HCG treated cycles. Thus real-time ultrasound examinations provide results comparable to those achieved mostly by time-consuming compound scan in demonstration of the growing follicle.

Anovulation↗