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Query: UMLS:C0029713 (immaturity)
 4,335 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The greater survival of premature infants, the frequency with which these children present a pathology of surgical treatment, and their physiological immaturity, particularly in the respiratory system, entail a great many difficulties in the postoperative process. With the aim of decreasing these postoperative difficulties and because of the publications of several articles with the same goal, it is implemented a study of spinal anesthesia with isobaric bupivacaine in the premature babies put under a treatment or surgery of the inguinal canal, in order to asses the efficiency of this technique and the cardiovascular consequences. The average duration of the anesthesia was 59 +/- 13 minutes. The latency period is practically nonexistent and the average level that was achieved is situated between D4-D6, which is enough so as to carry out the operation without problems and achieving a complete analgesia in the inguinal area. It has not been observed relevant hemodynamic alterations. The outcomes are obvious, for the difficulties disappear, especially those coming from the respiratory system in the general anesthesia with intubation such as apnea, cyanosis and bradycardia, stridor and atelectasis. This kind of anesthesia allows the surgeon a perfect relaxation and analgesia and the children a comfort throughout the surgical event. By way of conclusion, the spinal anesthesia is a good option instead of the general anesthesia for suckling babies because of the risk of respiratory difficulties they present, alone all when they are premature and they are recovering from a syndrome of respiratory difficulty.
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PMID:[Intradural anesthesia: an alternative in surgery on premature infants]. 207 65

Neonatal diabetes mellitus is defined as hyperglycemia detected in the first month of life of more than 2 weeks' duration, requiring insulin treatment. It is extremely uncommon (1/500,000 neonates) and is permanent in only 30% of cases. Several hypotheses concerning its etiology have been postulated, such as pancreatic immaturity, paternal uniparental isidisomy of chromosome 6, and the existence of a gene located in the 6 q 22-23 chromosome region subjected to imprinting and exclusively of paternal expression. The management of these patients is usually difficult. These neonates are underweight for their gestational age, and neither anti-insulin antibodies nor anti-islets are detected. We studied a neonate hospitalized because of low weight for his gestational age with dimorphic features and hyperglycemia since the 17 th day of life. Clinical and anatomical follow-up has been periodically performed to the present date. The child presents permanent neonatal diabetes with negative antibodies. Although various insulin patterns have been used since the onset of the syndrome, management remains difficult. The child presents hypothyroidism, bilateral neurosensory deafness, bilateral congenital cataract, myopia, dimorphic features, congenital stridor and slow weight-stature curve. The results of muscle biopsy and metabolic studies were normal. Wolfram's syndrome and mitochondrial diabetes were ruled out. This is an exceptional case of permanent neonatal diabetes associated with other malformations corresponding to no known syndromic patterns.
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PMID:[Permanent neonatal diabetes associated with other anomalies]. 1133 81

We conducted a retrospective analysis of 10 cases of congenital laryngeal stridor. Reports of laryngeal endoscopy and diagnosis define laryngomalacia as laryngeal flaccidity and stridor. Some authors postulate that in addition to immaturity of cartilage, there exist the possibility of laryngeal uncoordination and dyskinesia. They support this idea in cases of late presentation, neurological damage, and atypical cases related with functional state or anesthesia. Laryngeal endoscopies were carried out in 10 cases included in a cohort of subjects from a longitudinal follow-up diagnosed with neurologica damage of perinatal origin. One case was diagnosed with postoperative unilateral paralysis of vocal chord and another identified vascular ring. The eight remaining cases fulfilled laryngomalacia criteria of diagnosis, but because of their characteristics origin is not an anatomic alteration but a functional hypotonia. The need to carry out an integral study to describe co-morbidity is emphasized.
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PMID:[Laryngomalacia in a follow-up of a child development cohort for antecedents of perinatal encephalopathy. Implications for nosologic conceptualization]. 1555 28