Outcome of home mechanical ventilation.
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Child↗
Biomedical subjects
S Fanconi
Publications and source records attributed to S Fanconi.
[Stenosing infections of the upper airways: epiglottitis and pseudocroup].
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Airway Obstruction↗
Transcutaneous carbon dioxide tension in newborn infants: reliability and safety of continuous 24-hour measurement at 42 degrees C.
In 58 newborn infants a new iridium oxide sensor was evaluated for transcutaneous carbon dioxide (tcPCO2) monitoring at 42 degrees C with a prolonged fixation time of 24 hours. The correlation of tcPCO2 (y; mm Hg) v PaCO2 (x; mm Hg) for 586 paired values was: y = 4.6 + 1.45x; r = .89; syx = 6.1 mm Hg. The correlation was not influenced by the duration of fixation. The transcutaneous sensor detected hypocapnia (PaCO2 less than 35 mm Hg) in 74% and hypercapnia (PCO2 greater than 45 mm Hg) in 74% of all cases. After 24 hours, calibration shifts were less than 4 mm Hg in 90% of the measuring periods. In 86% of the infants, no skin changes were observed; in 12% of infants, there were transitional skin erythemas and in 2% a blister which disappeared without scarring. In newborn infants with normal BPs, continuous tcPCO2 monitoring at 42 degrees C can be extended for as many as 24 hours without loss of reliability or increased risk for skin burns.
Blood Gas Monitoring, Transcutaneous↗
[Residual lung function changes following adult respiratory distress syndrome (ARDS) in children].
Residual lung function abnormalities have been investigated in 9 children (4 boys and 5 girls) a mean 2.7 years after surviving severe adult respiratory distress syndrome (ARDS). All patients had been artificially ventilated for an average of 9.4 days with a FiO2 greater than 0.5 for 34 hours and maximal PEEP levels in the range of 8-20 cm H2O. Since the ARDS, 3 children had presented recurrent respiratory symptoms (moderate exertional dyspnea and cough) and 2 had had evidence of fibrosis on chest radiographs. In all patients abnormal lung functions were found, i.e. ventilation inequalities (8), hypoxemia (7), and obstructive (2) and restrictive (1) lung disease. A significant correlation between respirator therapy and residual lung function was found (duration of FiO2 greater than 0.5 in hours and inspiratory plateau pressure during respirator therapy vs. ventilation inequalities and hypoxemia).
Adolescent↗
Long-term sequelae in children surviving adult respiratory distress syndrome.
Nine children surviving severe adult respiratory distress syndrome were studied 0.9 to 4.2 years after the acute illness. They had received artificial ventilation for a mean of 9.4 days, with an Fio2 greater than 0.5 during a mean time of 34 hours and maximal positive end expiratory pressure levels in the range of 8 to 20 cm H2O. Three children had recurrent respiratory symptoms (moderate exertional dyspnea and cough), and two had evidence of fibrosis on chest radiographs. All patients had abnormal lung function; the most prominent findings were ventilation inequalities, as judged by real-time moment ratio analysis of multibreath nitrogen washout curves (abnormal in eight of nine patients) and hypoxemia (seven of nine). Lung volumes were less abnormal; one patient had restrictive and two had obstructive disease. A significant correlation between intensive care measures (Fio2 greater than 0.5 in hours and peak inspiratory plateau pressure) and lung function abnormalities (moment ratio analysis and hypoxemia) was found. A possibly increased susceptibility of the pediatric age group to the primary insult or respiratory therapy of adult respiratory distress syndrome is suggested.
Adolescent↗
Pulse oximetry in pediatric intensive care: comparison with measured saturations and transcutaneous oxygen tension.
We evaluated a new pulse oximeter designed to monitor beat-to-beat arterial oxygen saturation (SaO2) and compared the monitored SaO2 with arterial samples measured by co-oximetry. In 40 critically ill children (112 data sets) with a mean age of 3.9 years (range 1 day to 19 years), SaO2 ranged from 57% to 100%, and PaO2 from 27 to 128 mm Hg, heart rates from 85 to 210 beats per minute, hematocrit from 20% to 67%, and fetal hemoglobin levels from 1.3% to 60%; peripheral temperatures varied between 26.5 degrees and 36.5 degrees C. Linear correlation analysis revealed a good agreement between simultaneous pulse oximeter values and both directly measured SaO2 (r = 0.95) and that calculated from measured arterial PaO2 (r = 0.95). The device detected several otherwise unrecognized drops in SaO2 but failed to function in four patients with poor peripheral perfusion secondary to low cardiac output. Simultaneous measurements with a tcPO2 electrode showed a similarly good correlation with PaO22 (r = 0.91), but the differences between the two measurements were much wider (mean 7.1 +/- 10.3 mm Hg, range -14 to +49 mm Hg) than the differences between pulse oximeter SaO2 and measured SaO2 (1.5% +/- 3.5%, range -7.5% to -9%) and were not predictable. We conclude that pulse oximetry is a reliable and accurate noninvasive device for measuring saturation, which because of its rapid response time may be an important advance in monitoring changes in oxygenation and guiding oxygen therapy.
Adolescent↗
Surgery and granulocyte transfusions for life-threatening infections in chronic granulomatous disease.
We report two patients with chronic granulomatous disease (CGD) and life-threatening infections: a 10 10/12-year-old boy had Aspergillus fumigatus spondylitis with destruction of the 11th vertebral body and paravertebral abscess formation, and an 8 5/12-year-old boy had multiple Staphylococcus aureus hepatic abscesses with subphrenic abscess formation. Both patients failed to respond to intense antimicrobial therapy but showed a remarkable recovery following surgical drainage combined with granulocyte transfusions. These results suggest that antimicrobial therapy and surgical drainage followed by granulocyte transfusions may be the ideal mode of treatment for severe infections in patients with CGD.
Amphotericin B↗
Oral chloramphenicol therapy for multiple liver abscesses in hyperimmunoglobulinemia E syndrome.
In a patient with Hyper-IgE-syndrome multiple liver abscesses developed in spite of prophylactic treatment with trimethoprim and sulfamethoxazol. Ultrasound confirmed the clinical diagnosis and percutaneous needle aspiration under ultrasonographic guidance and culture of the aspirated pus allowed specific antibiotic treatment by oral chloramphenicol alone without surgical drainage. The isolated Staph.aureus strain was resistant to trimethoprim and sulfamethoxazol.
Candidiasis↗
The SPONASTRIME dysplasia: familial short-limb dwarfism with saddle nose, spinal alterations and metaphyseal striation. Report of 4 siblings.
We report clinical, anthropometric and radiological findings in 4 siblings with a new type of skeletal dysplasia. 4 normally intelligent girls exhibit dwarfism between -3.4 and -4.6 standard deviations with accentuated shortening of the lower limbs, moderate deformity of the vertebral bodies, mildly striated metaphyses, saddle nose, frontal bossing, and relatively large head. The family pedigree suggests autosomal recessive inheritance. We propose the designation of SPONASTRIME dysplasia, derived from spondylar and nasal alterations with striation of the metaphyses.
Adolescent↗
Intermittent ketoconazole therapy of chronic mucocutaneous candidiasis in childhood.
We report the clinical and laboratory findings in two children with chronic mucocutaneous candidiasis (CMC) treated successfully with intermittent long-term ketoconazole therapy. Both had chronic infection of the nails, skin and mucous membranes with positive cultures for candida. Both were resistant to multiple local and systemic antifungal agents. After institution of ketoconazole therapy there was a dramatic improvement with clearing of the oral (one week), skin (two months) and nail lesions (5 months). After 8 months the drug was stopped and clinical remission persisted for 10 and 7 months respectively. Relapse of oral candidiasis was treated with a short course of ketoconazole (4-16 weeks) leading to complete healing of the lesions. Clinical improvement was not related to an amelioration in lymphocyte transformation. There was no change in the progressive deterioration of the lymphocyte responses to candida antigen which was probably due to persisting candida cell wall components (e.g. mannan).
Administration, Oral↗
Acute intussusception: a classic clinical picture?
57 patients with acute intussusception were admitted to the Children's Hospital Zurich between 1972 and 1979. All were treated surgically. One died, 7 needed a bowel resection, 9 intussusceptions were difficult and 32 easy to reduce. The retrospectively reviewed data show that the classic symptomatology, beginning suddenly in a healthy male (60%) under 3 years of age (91%) with attacks of colicky pain (81%), vomiting (93%), a palpable abdominal mass (72%) and rectal bleeding (72%), appears during the course of illness or may not be present at all. This leads to misdiagnosis, wrong treatment and worsening of the pathology. Blood per rectum, the most typical symptom, was present in the first hours of illness in only 5%, vomiting in 44% and colicky pain in 33% of the patients. A high degree of awareness is therefore necessary to diagnose intussusception during the first hours of illness, and particular stress must be laid on the accuracy of the diagnosis because reducibility and resection rate depend directly on the duration of the symptoms.
Acute Disease↗
Inborn resistance of mice to myxoviruses: macrophages express phenotype in vitro.
A strain of avian influenza A virus was adapted to grow in mouse peritoneal macrophages in vitro. The adapted strain, called M-TUR, induced a marked cytopathic effect in macrophages from susceptible mice. Mice homozygous (A2G) or heterozygous (F1 hybrids between A2G and several susceptible strains) for the gene Mx, shown previously to induce a high level of resistance towards lethal challenge by a number of myxoviruses in vivo, yielded peritoneal macrophages which were not affected by M-TUR. Peritoneal macrophages could be classified as resistant or susceptible to M-TUR without sacrificing the cell donor. Backcrosses were arranged between (A2G X A/J)F1 and A/J mice. 64 backcross animals could be tested individually both for resistance of their macrophages in vitro after challenge with M-TUR, and for resistance of the whole animal in vivo after challenge with NWS (a neurotropic variant of human influenza A virus). Macrophages from 36 backcross mice were classified as susceptible, and all of these mice died after challenge. Macrophages from 28 mice were classified as resistant, and 26 mice survived challenge. We conclude that resistance of macrophages and resistance of the whole animal are two facets of the same phenomenon.
Alleles↗
MRI following severe perinatal asphyxia: preliminary experience.
In 30 children suffering from severe perinatal asphyxia an attempt was made to determine the early prognostic signs of severe hypoxic-ischemic brain injury with magnetic resonance imaging (MRI). Ten early (1-4 days of age), 16 intermediate (2-4 weeks of age), and 38 late MRI (older than 1 month of age) procedures were performed on a 2.35 T MR-system. Severe cerebral necrosis was suspected by T2 hyperintensity of the white matter, with blurred limits to the cortex in early MRI, and was confirmed by T1 hyperintensity of the cortex in intermediate MRI. Severe cerebral necrosis was established at 3 months of age. Of the 11 children with this pattern (group A), 8 had severe and 3 had moderate cerebral palsy on subsequent examination. Thirteen children (group B) had normal late MRI scans; none developed severe cerebral palsy or marked mental retardation. Two children (group C) had focal ischemic lesions. Four children had intracranial hemorrhage (group D). Groups A and B did not differ in the severity of their perinatal histories and findings, suggesting that MRI during the first 3 months is of significant prognostic value.
Asphyxia Neonatorum↗
Can dopamine prevent the renal side effects of indomethacin? A prospective randomized clinical study.
BACKGROUND: Indomethacin therapy for closure of a patent ductus arteriosus in preterm neonates is responsible for transient renal insufficiency. Dopamine theoretically reduces the renal side effects of indomethacin therapy. PATIENTS: 33 neonates with a mean gestational age of 28.5 weeks who received indomethacin for treatment of a symptomatic PDA were included in a prospective randomized controlled clinical study. METHOD: 15 patients were treated with indomethacin alone (control group), 18 patients with indomethacin and dopamine (study group). Indomethacin was given in a dose of 0.2 mg/kg/dose intravenously, all patients received three doses with intervall of 12 hours. The dose of dopamine was in all patients 4 micrograms/kg per minute commencing 2 hours prior to the first dose of indomethacin and continuing for 12 hours after the third dose. RESULTS: Indomethacin induced a significant increase in serum creatinin (76.3 mumol/l vs 99.7 mumol/l for the control group, and 70.7 mumol/l vs 93.0 mumol/l for the study group), and weight (1259 g vs 1316 g for the control group, and 1187 g vs 1221 g for the study group). The increase systolic blood pressure (61 mmHg vs 65.7 mmHg) in the study group was significant (p < 0.05) but remained unchanged in the control group. The changes between the study group and the control group were not significant either in serum creatinin, fractional excretion of sodium, or weight gain. The failure rate of ductal closure was not different between the two groups. CONCLUSION: The additional use of dopamine does not reduce the renal side effects of indomethacin.
Cardiotonic Agents↗