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The most dramatic recent advance in the care of young children with sickle cell disease was the demonstration by a cooperative study that the use of oral penicillin prophylaxis is highly effective in decreasing the risk of pneumococcal sepsis. Subsequently, the need for more comprehensive education of the parents of these children to ensure compliance with penicillin administration has become apparent. Over the past 4 years, the Mid-South Sickle Cell Disease Program has used a seven-phase educational process for the parents of more than 200 infants with newly diagnosed sickle cell disease. This has resulted in excellent compliance and a marked decrease in the incidence of pneumococcal sepsis among sickle cell patients at our center.
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PMID:A successful education program for parents of infants with newly diagnosed sickle cell disease. 154 63

Maternal mortality is examined from June 1980 to December 1986 at Mulago, Nsambyo, Old Kampala, Rubaga, and Mengo Hospitals in Kampala, Uganda. Clinical or immediate causes, direct and indirect, were recorded from case summary forms based on ICD9 definitions of obstetric complications. The nonabortion maternal mortality rate (NAMMR) was 2.65/1000 deliveries (580 deaths); the abortion-related maternal mortality rate (ARMMR) was 3.58/1000 abortions. The hospital maternal mortality rate was 2.0/1000 deliveries. 75% of maternal deaths of women of 28 weeks' gestation or more had delivered outside the hospital. NAMMR doubled between 1980-86, a statistically significant increase. ARMMR increases were almost significant. 75% were direct obstetric and 21% were indirect obstetric causes. 38% had clinical anemia, 29% had some sepsis, 18% had substantial bleeding, and 14% had obstructed labor. Other contributing conditions were pneumonia, ruptured uterus, laparotomy, evacuations and curettage, malaria, preeclampsia, sickle cell anemia, pulmonary embolism, malnutrition, tetanus, meningitis, prolonged labor, and hepatitis. At admission, 48% were in poor condition, 30% in good condition, and 22% in fair condition. 27% had sickle cell anemia, high blood pressure, multiple pregnancy, or malaria at admission. 64% were admitted within 24 hours after delivery, 67% 1-7 days after delivery, and 92% 7-42 days after delivery. Those in good condition were all admitted 7 days postdelivery. 41% of deaths were due to lack of drugs, 7% lack of fluids, 20% with theater problems, 14% with doctor-related factors, and 3% with midwife-related factors. Better information is needed on mortality before delivery, mortality in hospitals vs. outside, and mortality from abortion, and ectopic and hydatidiform molar pregnancies. An explanation given for the increase in maternal mortality is the decline in economic conditions. Abortion complications may be due to the concealment practiced. Causes are consistent with trends from the 1950s, 1960s, and 1970s in Uganda and developing countries in general. Availability and accessibility of gynecological and obstetric services needs great improvement. Training traditional birth attendants and obtaining rural ambulance services are also needed. Health workers lack creativity and imagination for developing country conditions; scarce resources are not the only problem.
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PMID:Incidence and causes of maternal mortality in five Kampala hospitals, 1980-1986. 176 15

Children with sickle cell disease have a greatly increased potential for developing rapid and at times fatal sepsis from Streptococcus pneumoniae. Hospitalization and parenteral antibiotic treatment in all febrile children with sickle cell disease have thus become the standard of care at most sickle cell centers. As an alternative approach, we managed selected febrile children with sickle cell disease on an ambulatory basis with parenteral ceftriaxone to determine its safety and effectiveness in preventing sepsis and reducing the number of days of hospitalization. Twenty of 40 children who presented with significant fever met the study criteria and received ceftriaxone on an ambulatory basis. Three were subsequently hospitalized. Compared with a previous year, when all febrile children were admitted, ceftriaxone use reduced the days of hospitalization from 214 (6.3 +/- 1.6 days/patient) to 111 days (2.8 +/- 0.7 days/patient). The empiric use of ceftriaxone appears safe and effective, but it requires an expanded study over an extended period.
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PMID:Febrile episodes in children with sickle cell disease treated on an ambulatory basis. 181 May 86

There has been significant decrease in maternal morbidity and mortality of sickle cell disease patients during pregnancy due to better understanding of the pathophysiology of the disease and physiologic changes during pregnancy. Prophylactic blood transfusion does not appear to reduce complications in patients with sickle cell anemia. Patients with sickle hemoglobin C disease and with S beta thalassemia+ have fewer complications but still need close monitoring. Blood transfusion therapy should be made available for medical and obstetrical complications to include increasing hypoxemia, progressive anemia, acute chest syndrome, twin pregnancy, splenic sequestration syndrome, preeclampsia, septicemia, or prior to general anesthesia and surgery. Blood transfusion therapy is associated with hepatitis, allergic reaction, alloimmunization, AIDS, and iron overload states. These aspects should be considered prior to using blood transfusion therapy. Excellent prenatal monitoring and aggressive intervention should be instituted when problems arise for the successful management of the pregnant patient with sickle cell disease. Prenatal diagnosis and cord blood screening should be made available for the infant. Appropriate pediatric referral and prophylactic penicillin is recommended for the infant with sickle cell disease.
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PMID:Management of sickle cell anemia and pregnancy. 181 45

This essay describes the rich tradition of research in the English-speaking Caribbean and the possibilities for meaningful collaboration between Caribbean researchers and scientists from developed countries. Significant contributions include work related to the human T-lymphotropic virus type I (HTLV-I), Jamaican vomiting sickness, veno-occlusive disease of the liver, J-type diabetes, and the role of skin sepsis and streptococcal infection in the etiology of glomerulonephritis. In the fields of malnutrition, human metabolism, child development, and sickle cell anemia, the Caribbean has been at the forefront of medical research internationally. Many characteristics of the Caribbean population, including the disease profile, offer advantages and unique opportunities for significant research, despite difficulties related to the "brain drain" and weaknesses of the infrastructure.
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PMID:Is serious research possible in the Caribbean? 184 51

Thrombolytic therapy usually used for thrombosis in the adult has been administered as a therapeutic regiment in pediatric patients (parental consent was sought prior to the treatment with rt-PA). We report our experience with rt-PA in 17 children and adolescents suffering from arterial (n = 4) or venous thrombosis (n = 13) due to local rhabdomyosarcoma, acute lymphoblastic leukemia, chronic myeloblastosis, sickle cell anaemia, parenteral nutrition, haemolytic uremic syndrome, central arterial and venous catheters and septicemia Thrombotic diseases have been diagnosed by Doppler ultrasound, computed tomography, angiography and phlebography. Rt-PA therapy was started immediately after diagnostic procedures had been performed. Rt-PA dose varied from 0.2 mg as a single dose to 0.8 mg/kg bw/d over a three day period in children local thrombolysis was performed. In patients requiring systemic thrombolytic therapy rt-PA was administered from 0.8 mg/kg bw/d in three days to 2.0 mg/kg bw/d over a whole period of three weeks in both groups during thrombolysis low dose heparin was added. When rt-PA infusion was terminated heparin (70 IU - 400 IU/kg bw/d) was administered for 7 to 14 days in order to prevent reocclusion. Later prophylaxis with coumarin derivatives in venous thrombosis and antiplatelet agents in arterial occlusive diseases was performed. In no patient did we see a decrease of fibrinogen and plasminogen during rt-PA therapy.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Thrombolysis with rt-PA in children with arterial and venous thromboses--a new therapy concept]. 194 42

Congenital long-segment intrathoracic tracheal stenosis (CTS) is a rare life-threatening obstruction in infancy and childhood. From July 1983 to March 1988 six infants aged 14 days to 14 months with CTS were identified. Symptoms ranged from recurrent stridor and wheezing to severe respiratory compromise and hypercarbia. Routine chest x-rays were not diagnostic. Definitive diagnosis was made by bronchoscopy, which showed complete tracheal rings in all patients with severely compromised tracheobronchial lumens. In three patients, pericardium was successfully used for anterior tracheoplasty with one early death due to fulminant sepsis in an infant with undiagnosed sickle cell disease. The other two died late, at 3 and 9 months from problems unrelated to the repair. In three patients a rib graft was used for repair; in one, tracheoplasty was required after earlier repair of tetralogy of Fallot. All are late survivors with no postoperative symptoms. After recognition of CTS, prompt surgery is warranted to avoid the late complications of tracheostomy for long-term ventilatory support. Rigid repair with rib cartilage is preferable to use of pericardium. Proper rib harvesting with intact perichondrium, intraoperative bronchoscopy, oxygenation by cardiopulmonary bypass, and meticulous graft alignment are necessary for successful postoperative outcome.
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PMID:Tracheoplasty for congenital long-segment intrathoracic tracheal stenosis. 200 3

Eighteen of 384 patients entered on the Brent sickle cell disease register died between 1974 and 1989, a mortality of one per 128 years of follow up. Two children died from acute splenic sequestration and a third died from fulminant pneumococcal septicaemia: none was taking prophylactic penicillin. Acute chest syndrome was the cause of death in eight young adults and one child. Three deaths occurred after surgery. Cerebrovascular accidents contributed to the cause of death in three cases and there were two sudden unexplained deaths. Ten of the deaths occurred at home or within 24 hours of admission to hospital. Post mortem examinations were made in 14 cases, but the histological appearances of acute chest syndrome were often not recognised. In most cases for whom information was available, the cause of death (chest syndrome, pneumococcal sepsis, postoperative complications) could have been prevented.
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PMID:Patterns of mortality in sickle cell disease in the United Kingdom. 206 23

Sickle-cell disease is a well-recognized clinical entity. The pathophysiology of this hemoglobinopathy has been described in detail by numerous investigators since the first case report appeared in 1910. Orthopaedic manifestations of sickle-cell disease account for much of the morbidity associated with this disorder, including pain, osteonecrosis, arthritis, and sepsis. Effective management of these bone and joint sequelae reflect accurate diagnosis, understanding of this disorder's pathophysiology, and knowledge of available medical and surgical treatment alternatives. In this review, the authors summarize the major orthopaedic manifestations of sickle-cell disease with special emphasis placed upon osteonecrosis and osteomyelitis, since these conditions are the most disabling and serious complications in patients with sickle-cell disease.
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PMID:Orthopaedic manifestations of sickle-cell disease. 223 15

Patients with sickle cell disease are predisposed to infection caused by Streptococcus pneumoniae. However, there has been only one published case of bacteremic pneumococcal meningitis in an adult with sickle cell anemia. We report here the cases of six adults with sickle cell disease, pneumococcal sepsis, and meningitis. Five patients were male and one was female. Their ages ranged from 18 to 34 years (mean, 25.7 years). Five patients had the SS and one had the SC hemoglobin phenotype. Only one patient had received pneumococcal vaccine (14 valent). This vaccine did not protect against the pneumococcal serotype causing his infection. All patients had high fever (mean, 39.8 degrees C [103.7 degrees F]) on admission; five had generalized weakness and four had neck stiffness. Leukocyte counts were greater than 30,000/mm3 in all patients. Streptococcus pneumoniae was isolated from the blood and the cerebrospinal fluid in all patients. The cerebrospinal fluid showed pleocytosis in six patients, an elevated protein level in five, and hypoglycorrhachia in two. Complications included renal failure in four patients, disseminated intravascular coagulation in one, and seizures in another. Two patients died. Pneumococcal sepsis and meningitis are uncommon in adults with sickle cell disease, but they carry a high morbidity and mortality. Wider use of the new 23-valent polysaccharide vaccine in these patients is recommended.
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PMID:Pneumococcal sepsis and meningitis in adults with sickle cell disease. 240 40


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