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Outcomes of peripherally inserted double lumen central catheter in very low birth weight infants

Cheong SM, Totsu S, Nakanishi H, Uchiyama A, Kusuda S

J Neonatal Perinatal Med, 2016;9(1):99-105.
PMID: 27002262 DOI: 10.3233/NPM-16915054

OBJECTIVE: In order to evaluate safety and usefulness of peripherally inserted double lumen central catheter (PIDLCC) in very low birth weight (VLBW) infants, outcomes of VLBW infants who had PIDLCC was studied.
SUBJECTIVE: Thirty-nine VLBW infants who were admitted to our NICU in 2013 were retrospectively analyzed.
RESULTS: Mean birth weight and gestational age was 1042.7 gram and 28.5 weeks, respectively. Total duration of indwelling PIDLCC was 1121 days (mean 28.5+18.2 days) with 85 PIDLCCs used. Dressing at the insertion site was done twice weekly with 10% povidone iodine. Four (10.3% with mean of 48 days) infants had catheter-related blood stream infection (CRBSI), with a 3.57 infection per 1000 catheter-day. The mean for days of PIDLCC in 35 infants without CRBSI was 26.5 days. Organisms isolated were Staphylococcus epidermidis, Staphylococcus aureus and Staphylococcus capitis ureolytic. Our study showed significant difference in the duration of indwelling catheter (p = 0.023) and intraventricular hemorrhage (p = 0.043) between the CRBSI group and non-CRBSI group. Five (12.8%) infants had abnormal thyroid function test, in which two infants required thyroxine supplementation upon discharge. However, duration of PIDLCC and abnormal thyroid function test was not statistically significant (p = 0.218). One (2.5%) infant died (death was not related to CRBSI). There was no serious adverse effects secondary to PIDLCC.
CONCLUSION: It is concluded that the use and maintenance of PIDLCC is safe for VLBW infants, but close monitoring should be observed to detect early signs of infection.
Estrous cycle based on blood progesterone profiles and changes in vulvar appearance of Malayan tapirs (Tapirus indicus)

Kusuda S, Ikoma M, Morikaku K, Koizumi J, Kawaguchi Y, Kobayashi K, et al.

J. Reprod. Dev., 2007 Dec;53(6):1283-9.
PMID: 17965541

The progesterone (P(4)) profiles and macroscopic vulvar changes of female Malayan tapirs were investigated in order to understand their fundamental reproductive physiology and to search for visual indicators of estrus. Blood was collected once or twice a week from seven female Malayan tapirs kept at four zoos. Serum or plasma P(4) concentrations were determined by radioimmunoassay. The P(4) concentrations changed cyclically throughout the years, and a total of 56 cycles was confirmed in the seven females. The length of the estrous cycle based on the P(4) profiles was 43.6+/-2.0 days; however, this mean includes great variation in length, from 21 to 84 days. Mucous discharge from the vulva and vulvar swelling were seen when the P(4) concentrations were low before the beginning of a rise in most cases. In conclusion, captive female Malayan tapirs have variations of approximately 1 to 3 months in estrous cycle length, and visual changes in the vulva are helpful in estimating estrus in female Malayan tapirs.
Fulltext Contemporary fluid management, humidity, and patent ductus arteriosus management strategy for premature infants among 336 hospitals in Asia

Hsieh YC, Jeng MJ, Lin MC, Lin YJ, Rohsiswatmo R, Dewi R, et al.

Front Pediatr, 2024;12:1336299.
PMID: 38487471 DOI: 10.3389/fped.2024.1336299

OBJECTIVES: The management of patent ductus arteriosus (PDA) is a critical concern in premature infants, and different hospitals may have varying treatment policies, fluid management strategies, and incubator humidity. The Asian Neonatal Network Collaboration (AsianNeo) collected data on prematurity care details from hospitals across Asian countries. The aim of this study was to provide a survey of the current practices in the management of PDA in premature infants in Asian countries.
METHODS: AsianNeo performed a cross-sectional international questionnaire survey in 2022 to assess the human and physical resources of hospitals and clinical management of very preterm infants. The survey covered various aspects of hospitals resources and clinical management, and data were collected from 337 hospitals across Asia. The data collected were used to compare hospitals resources and clinical management of preterm infants between areas and economic status.
RESULTS: The policy of PDA management for preterm infants varied across Asian countries in AsianNeo. Hospitals in Northeast Asia were more likely to perform PDA ligation (p
Fulltext Variations in medical practice of retinopathy of prematurity among 8 Asian countries from an international survey

Youn YA, Kim SY, Cho SJ, Chang YS, Miyake F, Kusuda S, et al.

Sci Rep, 2023 Sep 20;13(1):15602.
PMID: 37730731 DOI: 10.1038/s41598-023-42432-3

Advances in perinatal care have led to the increased survival of preterm infants with subsequent neonatal morbidities, such as retinopathy of prematurity (ROP). This study aims to compare the differences of neonatal healthcare systems, resources, and clinical practice concerning ROP in Asia with review of current literature. An on-line survey at the institutional level was sent to the directors of 336 neonatal intensive care units (NICU) in 8 collaborating national neonatal networks through the Asian Neonatal Network Collaboration (AsianNeo). ROP screening was performed in infants born at