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The clinical syndrome of rhabdomyolysis is caused by injury of skeletal muscles, leading to the release of various intracellular muscle constituents. Rhabdomyolysis occurs frequently but is usually asymptomatic (i.e., lab abnormalities only). However, in more serious cases, severe electrolyte disorders and acute renal failure may occur, leading to life-threatening situations. Rhabdomyolysis can develop in any circumstances where energy demands in muscles exceed the available energy supplies; it accounts for between 2 and 5% of all cases of acute renal failure in the ICU. Frequent causes of severe rhabdomyolysis include crush injuries, prolonged immobilization, seizures, severe infections and drug toxicity. Factors contributing to the development of more severe clinical symptoms include hypovolemia, hyperthermia, electrolyte disorders and the presence of pre-existing (congenital) muscle disorders. The diagnosis is established by elevation of serum muscle enzymes and muscle constituents such as creatinine phosphokinase and myoglobin. Preventive measures include maintenance of normal or high intravascular volume and administration of diuretics (loop diuretics rather than mannitol) once hypervolemia/euvolemia have been achieved. Some evidence suggests that early initiation of renal replacement therapy can help improve outcome. Administration of bicarbonate to induce urinary alkalosis can be considered, but it has not been proven to be effective.
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PMID:Acute renal failure and rhabdomyolysis. 1564 12

This was a retrospective study to assess the clinical profile of children admitted with acute renal failure and to identify factors associated with poor outcome. Fifty-four children (age one month to 12 years) with acute renal failure were studied. Males outnumbered females (38/54; 70%). The leading precipitating causes for renal failure were acute gastro-enteritis (85%), underlying renal pathology (43%), proven sepsis (22%) and suspected sepsis (22%). The main presenting complaints were diarrhoea (86%),oliguria (72%), rapid respiration (37%), oedema (37%), vomiting (19%) and seizures (13%). All patients underwent standard investigations and treatment. Forty-eight per cent of patients required peritoneal dialysis and 15% required ventilation. The overall mortality was 52%. Underlying renal pathology and sepsis both contributed to the high morbidity and mortality. Mortality due to sepsis was 83%; it was 65% in dialysed patients and 100% in those requiring ventilatory support. Biochemical profile of the above patients showed that hyperkalaemia was significantly associated with high mortality (83%) as against 75% in those with hypokalaemia and 33% with normal levels (p<0.001). Patients with hyponatraemia and hypernatraemia similarly had an adverse outcome. Acidosis, seen in 20 patients, had a mortality of 45%. The outcome was poorer in those with high creatinine levels (63%).
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PMID:Clinical profile and outcome of acute renal failure in South Indian children. 1571 79

A 34-year-old grand multipara (para 7, 4 alive) was managed at the National Hospital, Abuja, Nigeria for acute renal failure due to HELLP syndrome following referral from a peripheral hospital. She presented with a history of vomiting, headache, epigastric pain, loss of consciousness and tonic/clonic seizures. Though she was unsure of her exact dates, clinically the gestational age was estimated at 22 weeks. She was managed in the intensive care unit, following delivery of a macerated fetus within 15 h of hospital admission. The patient received mechanical ventilation and three sessions of haemodialysis as part of her successful management while in the intensive care unit. The uncommon presentation of eclampsia and HELLP syndrome before obvious preeclampsia is discussed, as well as the other signs and symptoms and patient management. The case also highlights the resource-poor environment of peripheral and tertiary hospitals in Nigeria.
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PMID:Acute renal failure due to HELLP syndrome and acute renal failure in mid gestation. 1593 39

About 90% of cases of hemorrhagic uremic syndrome (HUS) occur in early childhood and most frequently are preceded by bloody diarrhea due to shiga-like toxin (SLT) producing Escherichia coli. We report a case of a newborn girl presenting with bloody diarrhea on her 7th day of life. Acute renal failure, severe arterial hypertension and hemolytic anemia were detected and prompt peritoneal dialysis and antihypertensive therapy were required. The girl had several episodes of seizures, necessitating intravenous phenobarbital. Transfontanel ultrasonography 48 h after disease onset was normal, whereas, MRI investigation 10 days later revealed severe ischemic lesions with beginning cystic encephalopathy. Renal function recovered and only very moderate tubular dysfunction remained. Serum analysis of factor H, von Willebrand factor protease, homocystinemia, proteins C and S, and antithrombin III were all normal. Mutation analysis of factor V Leiden, factor II, and methyltetrahydrofolate-reductase were normal. E. coli 0157:H7 and SLT 2 were detected in the stool. SLT 2 was also found in the mother's stool. This is the first report of mother-to-child transmission of SLT-producing E. coli.
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PMID:Neonatal hemolytic uremic syndrome after mother-to-child transmission of Escherichia coli O157. 1601 May 98

The Kidd blood group is clinically significant since the Jk antibodies can cause acute and delayed transfusion reactions as well as hemolytic disease of newborn (HDN). In general, HDN due to anti-Jk(b) incompatibility is rare and it usually displays mild clinical symptoms with a favorable prognosis. Yet, we apparently experienced the second case of HDN due to anti-Jk(b) with severe clinical symptoms and a fatal outcome. A female patient having the AB, Rh(D)-positive blood type was admitted for jaundice on the fourth day after birth. At the time of admission, the patient was lethargic and exhibited high pitched crying. The laboratory data indicated a hemoglobin value of 11.4 mg/dL, a reticulocyte count of 14.9% and a total bilirubin of 46.1 mg/dL, a direct bilirubin of 1.1 mg/dL and a strong positive result (+++) on the direct Coomb's test. As a result of the identification of irregular antibody from the maternal serum, anti-Jk(b) was detected, which was also found in the eluate made from infant's blood. Despite the aggressive treatment with exchange transfusion and intensive phototherapy, the patient died of intractable seizure and acute renal failure on the fourth day of admission. Therefore, pediatricians should be aware of the clinical courses of hemolytic jaundice due to anti-Jk(b), and they should be ready to treat this disease with active therapeutic interventions.
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PMID:A fatal case of severe hemolytic disease of newborn associated with anti-Jk(b). 1647 82

The medical records of 54 dogs presented to the Hebrew University Veterinary Teaching Hospital and diagnosed with heat stroke were retrospectively reviewed. Data abstracted included history, clinical and clinicopathological signs at admission, treatment, disease progression, and outcome. Exertional and environmental heat stroke were present in 63% (34 of 54) and 37% (20 of 54) of the dogs, respectively, and 78% (42 of 54) were examined between June and August. The mean temperature and heat discomfort index in the particular days of heat stroke were significantly increased (P < .001, P < .001, respectively) compared with their corresponding average daily values. In 27 dogs the body temperature was > or = 41 degrees C (105.8 degrees F). Belgian Malinois (15%, odds ratio [OR] = 24, 95% confidence interval [CI95%] 8.2-64.5), Golden and Labrador Retrievers (21%, OR = 2.08, CI95% 0.95-4.2), and brachycephalic breeds (25%, OR = 1.7, CI95%], 0.81-3.21) were overrepresented, whereas small breeds (<8 kg) were underrepresented (2%, OR = 0.08, CI95%, 0.002-0.48). Thrombocytopenia (45 of 54 dogs) and prolongation of the prothrombin (PT) and activated thromboplastin (aPTT) times (27 of 47 dogs) were recorded during hospitalization. Disseminated intravascular coagulation (P = .013) and acute renal failure (P = .008), diagnosed in 28 of 54 and 18 of 54 of the cases, respectively, were risk factors for death. The overall mortality rate was 50%. Hypoglycemia (<47 mg/dL, P = .003), prolonged PT (>18 seconds, P = .05), and aPTT (>30 sec, P < .001) at admission were associated with death. Serum creatinine >1.5 mg/dL (P = .003) after 24 hours, delayed admission (>90 minutes, P = .032), seizures (P = .02), and obesity (P = .04) were also risk factors for death. Heat stroke in dogs results in serious complications and high fatality rate despite appropriate treatment.
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PMID:Heat stroke in dogs: A retrospective study of 54 cases (1999-2004) and analysis of risk factors for death. 1649 21

We describe a 16 year old female who developed thrombotic thrombocytopenic purpura (TTP) following infection due to Streptococcus. Initially presenting a fever and systemic upset she progressed to develop dialysis dependent acute renal failure, seizures, thrombocytopenia and a haemolytic anaemia--the pentad of features seen in TTP. Prior to the diagnosis she was found to have unexplained and previously undescribed MRI findings of diffuse increased signal intensity in the white matter of the left cerebellar hemisphere posteriorly and also increased signal intensity in the overlying cortex. She was commenced on plasmapheresis, and her anaemia, thrombocytopenia, creatinine and LDH all fully responded. In addition, she had no further seizures following plasmapheresis and has not relapsed to date. We review both the rare association of TTP and streptococcal infection, and the neuroradiological findings described in the literature. This is only the third case report describing TTP following streptococcal infection, and only the second in the era of plasmapheresis.
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PMID:Thrombotic thrombocytopenic purpura secondary to Streptococcus. 1661 15

Eclampsia is a major cause of maternal and perinatal morbidity and mortality in developing countries including Nigeria. However, most studies on eclampsia have been in urban communities. The objective of this study was to determine the incidence, pattern of clinical presentation and maternal and fetal outcomes of cases of eclampsia in a rural tertiary hospital in Nigeria. A descriptive review of all cases of eclampsia seen between 1 January 1994 and 31 December 2003 in a tertiary hospital was undertaken. The incidence of eclampsia was 1 in 43 deliveries (2.3%). Most of the women (86.2%) were unbooked for antenatal care in our centre; 58.5% were nullipara, and the onset of seizures was in the ante-partum period (68.3%). Patients presenting were mostly from the traditional birth attendants (46.3%). The time interval between the onset of convulsions and hospital admission was less than 12 h in 52% of cases. The majority of the women had premonitory symptoms (78.8%) with headache being the most frequent (78%). The major route of delivery was abdominal (66.7%). The case fatality rate was 15.4%. Most of the deaths (89.5%) were in unbooked women and the most common causes of death were acute renal failure, cardiopulmonary failure, disseminated intravascular coagulopathy and cerebrovascular accident. The perinatal mortality rate was 195 per 1000 births. This study found a high incidence of eclampsia. It is recommended that community-based health education programmes should be pursued with vigour to enhance early utilisation of modern antenatal care services in rural areas. Traditional birth attendants need to be trained and integrated into the healthcare team. Appropriate mechanisms should be put in place to improve clinic referrals. The capacity of tertiary health institutions to provide intensive care for eclamptics need to be improved with continuous training of heathcare personnel and provision of necessary equipment.
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PMID:Eclampsia: ten-years of experience in a rural tertiary hospital in the Niger delta, Nigeria. 1684 66

Hemolytic uremic syndrome is caused primarily by Shiga toxin-producing Escherichia coli O157:H7. The most common cause of acute renal failure in children, hemolytic uremic syndrome also can occur in adults. Characteristic features of the syndrome are microangiopathic anemia, thrombotic thrombocytopenia, and renal failure. Although the presentation of this syndrome is diverse, the classic prodromal illness is bloody diarrhea following ingestion of hamburger meat contaminated with E. coli O157:H7, the most common mode of infection in the United States. Children with hemolytic uremic syndrome generally present with gastroenteritis complaints (e.g., abdominal pain or tenderness, nausea or vomiting, fever, anemia); affected adults may be asymptomatic. Complications from hemolytic uremic syndrome can include intussusception, chronic renal failure, and seizures in severe cases. Because an incubation period of approximately one week occurs between the start of diarrhea and the onset of hemolytic uremic syndrome, physicians should maintain a high index of suspicion; early laboratory testing is important to diagnose and manage this syndrome. Obtaining a complete blood count and stool culture and performing Shiga toxin testing are the first of a series of tests that may help diagnose hemolytic uremic syndrome.
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PMID:Hemolytic uremic syndrome: an emerging health risk. 1700 34

Although the clinical picture of cerebral malaria in children has been reported extensively, scant information is available about cerebral malaria in adults. This report relates to one of the largest series of adult cases of cerebral malaria patients ever described. At Rourkela, in eastern India, 526 adults (aged >12 years) who each satisfied the World Health Organization's criteria for cerebral malaria were admitted to Ispat General Hospital between 1995 and 2001. These cases represented 18% of the 2994 adult patients who were admitted with Plasmodium falciparum malaria over the same period. Most (76%) of the adult cases of cerebral malaria were male, 48% were aged 21-40 years, and only 4% were older than 60 years. The most common presenting symptoms were fever (97.7%), vomiting (54.6%), headache (30.8%) and seizures (17.1%). Most (62.4%) of the cases had associated severe complications: jaundice (47.5%), acute renal failure (28.9%), and/or severe anaemia (9.7%). Overall, 175 (23%) of the cases were fatal, mortality being particularly high (59%) among those with multi-organ failure. Of the fatal cases, 107 (61%) died within the first 24 h of hospitalization, presumably indicative of late presentation. As the management of multiple complications may be inadequate at primary centres, early referral to higher centres is recommended.
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PMID:Cerebral malaria in adults -- a description of 526 cases admitted to Ispat General Hospital in Rourkela, India. 1736 93


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