The care burden for technology-dependent children with long-term home ventilation increases along with the improvement of their motor functions.

Since the establishment of Japan's publicly supported pediatric home medical care (PHMC) system in 2012, the number of technology-dependent children (TDC) who are supported by PHMC has been increasing. We expected care to become easier as TDC mobility increased. However, many family caregivers complained of the opposite, that the burden of care increased as TDC's mobility increased. Therefore, we aimed to study the problems of the care burden of families in relation to the improvement of mobility of TDC with a focus on respiratory support. We conducted a survey among caregivers of TDC in two parts: a first survey was done between 2018 and 2020, and a follow-up survey in 2023. In each medical procedure, the correlation of TDC's motor function level with care burden was analyzed by using correlation analysis. In 15 households, caregivers' activities were monitored to elucidate the problems of the care objectively. The second survey was conducted in February 2023 in TDC whose medical records were available. Analysis of 418 cases showed that care-burden increased with improvements in the children's motor ability in tracheostomy, or remained the same in other procedures. A follow-up study in 262/418 cases of this group showed that part of these TDC with high mobility aged 1-8, after passing through the mobile phase with increased burden of care, had a high potential to be weaned from medical devices.  Conclusion: For TDC who acquire motor skills during PHMC, the burden of care for caregivers either increases or remains the same. It is important to maintain social support for TDC on the recovering mobile stage. What is Known: • There was no clear information on the care burden when TDC become mobile. What is New: • We did a qualitative study to show that the care burden increases when TDC become mobile. • In addition, mobike TDC showed a high potential for recovery.

[Progress in the prenatal treatment and anesthetic considerations for fetal surgery].

Recent advances in prenatal diagnosis have made fetal surgery as a possible treatment for a wide variety of fetal diseases. Fetal surgeries consist of minimally invasive fetal surgery such as ultrasound guided procedure and fetoscopic surgery, open fetal surgery, and ex-utero intrapartum treatment. Effectiveness of these fetal surgeries has been discussed and proved to be effective for some diseases. If a fetal surgery is planned, an anesthesiologist is required to offer optimal anesthesia both for mother and fetus. For this purpose, anesthesiologists are supposed to know outlines of the fetal treatment in addition to pediatric and obstetric anesthesia, as a member of multidisciplinary team. In this review, outlines of fetal treatment will be introduced and anesthetic considerations for fetal surgeries will be discussed.

[Case of external cephalic version under combined spinal-epidural anesthesia followed by vaginal delivery].

For a parturient with breech presentation, an external cephalic version is sometimes done to enable vaginal delivery. Usually external cephalic version has been done without anesthesiologist's management. However there have been several reports indicating a benefit of anesthesia for external cephalic version. We report successful case of external cephalic version under combined spinal-epidural anesthesia followed by vaginal delivery.

Fibroblast growth factor 23 concentrations in healthy term infants during the early postpartum period.

Fibroblast growth factor 23 (FGF23) is a potent regulator of Pi and 1,25-(OH)(2)D homeostasis. Early postpartum infants show intriguing changes in serum levels of Ca, Pi, PTH and 1,25-(OH)(2)D. However, the role of FGF23 in the early neonatal mineral metabolism has not been clarified. In order to evaluate the significance of FGF23 during the early postpartum period, we examined the circulating FGF23 levels using an intact FGF23 ELISA and a C-terminal FGF23 ELISA either in 22 umbilical cord blood samples (the cord blood) or in 22 term infants at 5 days of life (the 5-day-old infant). We also compared these ranges with those of 11 healthy adults. Data were expressed as mean+/-SD, and analyzed by two-way ANOVA, followed by the Tukey's test. C-terminal FGF23 in the cord blood, the 5-day-old infants and the healthy adults were 73.3+/-22.4, 81.0+/-28.2 and 39.0+/-7.8 RU/ml, respectively. Intact FGF23 in the cord blood, the 5-day-old infants and the healthy adults were 3.9+/-1.6, 21.8+/-17.6, and 27.6+/-7.3 pg/ml, respectively. Immunoprecipitation assays using anti-FGF23 antibodies demonstrated that the intact 32 kDa FGF23 was low and the fragmented FGF23 of 18 kDa was abundant in the cord blood compared with those in the healthy adults. In conclusion, our observations indicated that the intact FGF23/C-terminal FGF23 ratio was very low due to the fragmentation of FGF23 during the early postpartum period and might have a considerable contribution to the Pi homeostasis in the healthy term infants.

Fibroblast growth factor 23 concentrations in healthy term infants during the early postpartum period.

Fibroblast growth factor 23 (FGF23) is a potent regulator of Pi and 1,25-(OH)(2)D homeostasis. Early postpartum infants show intriguing changes in serum levels of Ca, Pi, PTH and 1,25-(OH)(2)D. However, the role of FGF23 in the early neonatal mineral metabolism has not been clarified. In order to evaluate the significance of FGF23 during the early postpartum period, we examined the circulating FGF23 levels using an intact FGF23 ELISA and a C-terminal FGF23 ELISA either in 22 umbilical cord blood samples (the cord blood) or in 22 term infants at 5days of life (the 5-day-old infant). We also compared these ranges with those of 11 healthy adults. Data were expressed as mean+/-SD, and analyzed by two-way ANOVA, followed by the Tukey's test. C-terminal FGF23 in the cord blood, the 5-day-old infants and the healthy adults were 73.3+/-22.4, 81.0+/-28.2 and 39.0+/-7.8 RU/ml, respectively. Intact FGF23 in the cord blood, the 5-day-old infants and the healthy adults were 3.9+/-1.6, 21.8+/-17.6, and 27.6+/-7.3 pg/ml, respectively. Immunoprecipitation assays using anti-FGF23 antibodies demonstrated that the intact 32 kDa FGF23 was low and the fragmented FGF23 of 18kDa was abundant in the cord blood compared with those in the healthy adults. In conclusion, our observations indicated that the intact FGF23/C-terminal FGF23 ratio was very low due to the fragmentation of FGF23 during the early postpartum period and might have a considerable contribution to the Pi homeostasis in the healthy term infants.