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

During a 1 yr period, 19 infants less than 2 mo of age were fed intravenously with an infusate composed of glucose, amino acids, electrolytes, and vitamins. The solution was infused at a rate of 200 ml/kg/day or more for periods ranging from 5-247 days. No central venous catheters were utilized; the solutions were always administered through a needle in a peripheral vein. Weight gains similar to those seen with other techniques of intravenous nutrition were observed in all of the patients studied. No instance of fluid overload in the form of pulmonary edema, peripheral edema, or congestive heart failure was seen, and osmotic diuresis was not observed because of the lower tonicity of the infusate. Phlebitis was seen in 1/5 of the infusions, but was reversed by stopping the infusion and applying warm soaks. Three cases of skin slough were observed and two of these healed spontaneously without the need of skin grafting. The advantages of this technique over central venous nutrition are the elimination of the complications related to the central venous catheter, namely, sepsis and superior vena cava thrombosis.
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PMID:Peripheral intravenous nutrition without fat in neonatal surgery. 40 75

In a series of 114 consecutive patients with acute renal failure, the over-all mortality rate was 60 per cent; 62 per cent of the patients had a documented episode of hypotension just prior to the development of acute renal failure. In 11 patients, a second episode of renal failure developed following recovery from the initial episode of acute renal failure; all of these patients died. The urine output rate during the course of acute renal failure was inversely related to the mortality rate in the series as a whole. The mean duration of acute renal failure in survivors of the present series was 11.0 plus or minus 1.4 days. Complications of renal failure in the order of their frequency included hemorrhagic hypotension, sepsis, sepsis with hypotension and consumption coagulopathies; only 12 per cent had no complications. Only six of 51 patients whose clinical course was complicated by sepsis with or without an episode of hypotension survived. By contrast, 30 of 53 patients who had hemorrhagic hypotension without sepsis survived. The date suggest that although acute renal failure has a high mortality rate, it is a benign disease that is potentially reversible. Regardless of age and sex, renal functional recovery will take place if the patient is maintained in good physiologic condition long enough without a continued stress, such as sepsis, hypotension or hypovolemia, all of which prolong renal ischemia. During the course of renal failure, extreme care is essential to maintain adequate circulating volume without extracellular fluid overload; a second hemodynamic insult may result in serious damage to the regenerating renal tubules. We conclude that early recognition of acute renal failure, aggressive management of sepsis, careful titration of fluid and electrolyte therapy, meticulous monitoring, maintenance of the circulation and judicious utilization of dialysis will aid in reduction of mortality in these critically ill patients.
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PMID:Clinical determinants of survival from postoperative renal failure. 114 2

Acute renal insufficiency after cardiopulmonary bypass can lead to a significant morbidity from fluid overload and electrolyte disturbance, impede pulmonary gas exchange, and postpone weaning from mechanical ventilation. The limitations placed on free water intake result in severe restriction of nutrition while diuretic therapy causes electrolyte imbalance. Artificial renal support either in the form of peritoneal dialysis or hemodialysis may be complicated by sepsis and hemodynamic instability. We reviewed our experience with the use of continuous arteriovenous hemofiltration, an extracorporeal technique for removal of solutes, toxins, and water in critically ill patients with cardiac failure complicated by acute renal insufficiency and hemodynamic instability after cardiopulmonary bypass. Ten infants and children with renal insufficiency caused by low cardiac output had continuous arteriovenous hemofiltration instituted for indications including sepsis, volume overload, oliguria for more than 24 hours nonresponsive to diuretic therapy, and the need for hyperalimentation. All were supported by mechanical ventilation and receiving high-dose inotropic support. Arterial and venous vascular access was successfully obtained by cannulation of the femoral artery and vein in nine patients. Anticoagulation of the circuit was achieved with heparin infusion (6 to 20 micrograms/kg/hr) and monitored by measurement of activated clotting time. The continuous arteriovenous hemofiltration circuit was replaced if there was clot formation, or at 3 days after placement. Dialysis solution (Dianeal) 1.5% or 0.5% was infused as prefilter dilution. With the use of continuous arteriovenous hemofiltration, 20 to 100 m/hr of ultrafiltrate was removed, which allowed correction of hypervolemia, and caloric intake increased from 13.5 kcal/kg/day to 79.5 kcal/kg/day. Continuous arteriovenous hemofiltration was maintained between 5 hours and 8 days and was well tolerated in all patients. Serum urea and creatinine levels declined during continuous arteriovenous hemofiltration. We conclude that continuous arteriovenous hemofiltration is a safe and effective method for fluid and electrolyte homeostasis and that it thus allows hyperalimentation in infants and children after cardiac operations.
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PMID:Continuous arteriovenous hemofiltration after cardiac operations in infants and children. 143 99

Many infants with hypoplastic left heart syndrome are now treated with heart transplantation. Preoperative or postoperative systemic/renal hypoperfusion occurs frequently, however, resulting in perioperative kidney failure. Of 45 neonates undergoing heart transplantation at our institution, we report on 10 (22%) who required postoperative peritoneal dialysis. Patients' age at transplantation ranged between 1 and 31 (mean, 16.7) days, average weight was 2912 (range, 2140 to 3664) gms. Peritoneal dialysis was started at a mean of 51 hours after transplantation for treatment of anuria (5 patients, 50%), oliguria (3 patients, 30%), fluid overload or hyperkalemia (1 patient each, 10%) and continued for a mean of 101 +/- 90.5 (range, 33 to 270) hours. The value for blood urea nitrogen fell from 46.7 +/- 15.6 mg/dl to 14.3 +/- 10.5 mg/dl, and serum creatinine levels decreased from 2.4 +/- 1.0 mg/dl to 0.6 +/- 0.3 mg/dl throughout peritoneal dialysis. All patients continued to receive cyclosporine during dialysis. Hyperglycemia developed in four patients. Five of 10 patients had ongoing sepsis during dialysis, but only one died while on dialysis (10%). Two patients died late, after peritoneal dialysis was discontinued. Follow-up ranges from 2 months to 5 years. At most recent follow-up, mean creatinine level was 0.5 +/- 0.1 mg/dl. We conclude that aggressive peritoneal dialysis may result in high salvage rates with low morbidity, without the need to discontinue cyclosporine in the setting of neonatal heart transplantation and acute kidney failure.
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PMID:Aggressive peritoneal dialysis for treatment of acute kidney failure after neonatal heart transplantation. 157 38

In a comparison of spontaneous continuous arteriovenous haemofiltration (CAVH) and pump-driven haemofiltration (PDHF) for acute renal failure after surgery, 116 patients admitted to a surgical intensive care unit were assigned CAVH (48) or PDHF (68). The method of assignment was that a patient was treated by PDHF if he or she was the only patient requiring treatment at that time (only one pump was available); any other patient coming to the unit would be treated by CAVH. The groups were slightly unbalanced because there were fewer simultaneous cases than expected. The main endpoints were survival rate, control of uraemia, and additional application of haemodialysis. There were no differences between the patient groups in age, duration of treatment, severity of illness, serum creatinine concentration at the start of treatment, or cause of acute renal failure. Both treatments adequately controlled uraemia and fluid overload. However, the survival rate was significantly higher with PDHF than with CAVH (6 [12.5%] vs 20 [29.4%]; p less than 0.05). The daily ultrafiltrate volume was significantly higher with PDHF than with CAVH (15.7 [95% confidence interval 13.6-17.8] vs 7.0 [6.6-7.4] l/day; p less than 0.05). The volume of ultrafiltrate in patients with ischaemic or sepsis-induced acute renal failure was correlated with the survival rate. This finding suggests that the better survival rate in the PDHF group was due to faster elimination of toxic mediators (of molecular weight 800-1000 daltons) through the filter membrane by high-volume haemofiltration.
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PMID:Comparison of pump-driven and spontaneous continuous haemofiltration in postoperative acute renal failure. 167 72

We prospectively studied newborn infants with sepsis and neutropenia who were randomly selected to receive standard supportive care and either adjuvant granulocyte transfusions or intravenous immune globulin (IVIG) infusions; 21 infants received granulocyte transfusions and 14 received IVIG infusions. Half of the patients were premature (gestational age less than or equal to 32 weeks); the average postnatal age was 5 days (range 3 to 8 days). All infants had neutropenia by the criteria of Manroe et al., and the mean average bone marrow neutrophil storage pool ranged between 35% and 37%. There were no significant differences with respect to serum IgG, IgA, IgM, and total hemolytic complement values between treatment groups or between survivors and nonsurvivors. Clinical severity as defined by hypoxia, acidosis, and hypotension was similar between treatment groups. Group B streptococcus was the most common organism identified and accounted for almost 33% of all bacterial isolates. There was a significantly different survival rate in the group receiving polymorphonuclear leukocyte transfusions (100%, 21/21) compared with the group receiving IVIG infusions (64%, 9/14; p = less than 0.03). There were no significant complications in either treatment group with respect to fluid overload, secondary infection, blood group sensitization, pulmonary complications, or graft-versus-host disease. This pilot study suggests a possible benefit of granulocyte transfusions compared with 'IVIG therapy in the adjuvant treatment of neonatal neutropenia and overwhelming bacterial sepsis.
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PMID:Randomized trial of granulocyte transfusions versus intravenous immune globulin therapy for neonatal neutropenia and sepsis. 151 35

The present report describes more than nine years of experience with simultaneous removal and replacement of the chronic peritoneal dialysis (PD) catheter in treating refractory mechanical and infectious complications. Simultaneous catheter replacement and removal not only succeeded in 22 of 23 cases with non-infectious mechanical complications, allowing uninterrupted PD in all but three, but also succeeded in 30 (83%) of 36 additional cases with persisting or recurring infection. Simultaneous procedures failed in six (17%) of 36 infectious cases, due to persistent infection in two cases and to procedure complications in four cases. The clinical characteristics of the 30 successful infectious cases were compared to the characteristics of both the six failures, as well as 29 additional infectious cases in which the peritoneal catheter was removed but was not replaced because of a variety of serious complications (such as pancreatitis, abscess, sepsis, or fluid overload). At the time of simultaneous catheter replacement in successful cases, temporary control of active peritoneal inflammation was achieved more frequently (80% vs. 31%, P less than 0.001) with a shorter interval of antibiotic coverage (6.4 +/- 0.9 vs. 14.7 +/- 1.3 days, P less than 0.001). In addition, the successful cases were characterized by significantly more Staphylococcal infections (70% vs. 26%, P less than 0.001) and significantly fewer Pseudomonal or fungal infections (6% vs. 59%, P less than 0.001), although successful cases included some non-Pseudomonal, non-enteric gram negative infections (23%).(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Simultaneous catheter replacement and removal in refractory peritoneal dialysis infections. 176 18

Forty-eight patients with acute renal failure (ARF) who were referred to the Department of Renal Medicine, Singapore General Hospital for acute dialysis between August 1985 and August 1989 were studied retrospectively to identify risk factors associated with ARF that serve as prognostic indicators. There was no difference in the mean age of survivors and non-survivors (49.5 +/- 17.5 years vs 53.5 +/- 18 years, p greater than 0.05). The overall mortality rate was 52%. ARF as a result of surgical complication had a higher mortality rate in comparison to ARF from medical complications (66% vs 50%, p greater than 0.05). Septicaemia was the most common cause of ARF requiring dialysis. Hepatobiliary sepsis was the most frequent cause of septicaemia. Pre-dialysis serum urea and creatinine levels, and the number of dialysis treatments did not affect the outcome. Poor prognostic indicators included oliguria or anuria, fluid overload and coma. Patients tended to have a worse outcome if they had more than three risk factors taken from the following list:-decreased renal perfusion, assisted ventilation, coma, gastrointestinal dysfunction, recent surgery, sepsis, congestive heart failure, hepatobiliary dysfunction, malignancy, diabetes mellitus, chronic renal insufficiency and poor nutritional status. Early referral of patients with septicaemia due in particular to hepatobiliary infection may improve the prognosis.
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PMID:Acute renal failure prognostic indices in hospital inpatients referred for haemodialysis. 192 73

Continuous arteriovenous hemofiltration (CAVH) is a simple extracorporeal treatment for fluid overload, electrolyte imbalances, and removal of uremic toxins. The CAVH technique can be initiated rapidly and allows effective fluid removal without compromising cardiovascular status. This article describes two illustrative cases where CAVH was used to treat fluid overload accompanying in one case cardiogenic shock and in the other case septic shock. CAVH may have contributed to the removal of sepsis-related vasodilators as well as excess fluid. This therapy is an attractive alternative to hemodialysis in the critical care setting and may be the treatment of choice in hemodynamically unstable patients.
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PMID:Continuous arteriovenous hemofiltration in the critically ill patient. 202 31

Since the introduction of the LeVeen modification of the peritoneovenous shunt (PVS) in 1974, these devices have been placed in a relatively large number of patients. The most common indication has been for medically intractable ascites in the setting of chronic liver disease. A review of a series of studies shows that we can expect approximately an 18% perioperative overall mortality rate, a 46% survival rate at 21 months, and loss of ascites in 59% of the survivors at 18 months. The PVS has not been shown by prospective trials to prolong survival significantly in patients with either intractable ascites or the hepatorenal syndrome (HRS), although it may shorten hospitalizations, compared with medical controls. A few well-documented cases of reversal of the HRS have been documented. The best results of PVS therapy have been evident in those patients with milder liver disease. The loss of ascites need not correlate with a functioning shunt. Alcohol abstinance is associated with hepatic functional recovery and may relate to the disappearance of renal sodium retention, resulting in shunt occlusion due to low flow. A number of serious complications with the PVS have been described. Nutritional repletion follows successful shunting, but might, in part, relate to simultaneous alcohol abstention. The more common complications of coagulopathy and fluid overload are preventable by total ascitic drainage at the time of surgery. Shunt patency remains a clinical problem. Only 18.6% of the total shunts placed functioned in the survivors at 2 yr. Perioperative infections with staphylococcal and Gram-negative organisms occur. Postoperative bacterial peritonitis or septicemia requires shunt removal for cure.
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PMID:The peritoneovenous shunt: expectations and reality. 219 58


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