Sleep quality at 3 months postpartum considering maternal age: A comparative study.

BACKGROUND: Poor sleep quality is related to old age among the general population, but few studies have focused on postpartum women of advanced maternal age. The present study aimed to describe and compare sleep quality between women younger or older than 35 years of age at 3 months postpartum, and to examine the related factors. METHODS: A cross-sectional survey was conducted with 160 postpartum women who had given birth at a teaching hospital in Taiwan. The participants were assigned to two groups according to age (≥35 years, n=80; and 20-34 years, n=80). Sleep quality was measured using the Pittsburgh Sleep Quality Index with a cut-off score of 5. RESULTS: The prevalence of poor sleep quality at 3 months postpartum was higher in older mothers (61.6%) than in younger mothers (38.4%, p<0.01). Multiple logistic regression revealed that poor sleep quality was positively correlated with the severity of postpartum physical symptoms, lack of exercise, and room-sharing with infants. After adjustment for those variables, older mothers were three times more likely to have poor sleep quality than younger mothers (odds ratio=3.08; 95% confidence interval 1.52-6.23). CONCLUSION: Health care providers should pay attention to sleep problems among postpartum women, especially mothers of advanced maternal age. In particular, health care providers should evaluate sleep quality among postpartum women, instruct them not to share the bed with their infants at night, perform exercise, and manage their postpartum physical symptoms to improve the sleep quality.

The characterization of trachelectomy for benign and precancerous indications in Taiwan: A population-based study, 1998-2013.

OBJECTIVE: The study aimed to update the utilization trend and characterize the trachelectomy for benign and precancerous indications in Taiwanese women by comparing associated women, surgeon, and hospital-related characteristics. MATERIALS AND METHODS: We conducted a population-based trend study using inpatient admission claims data from Taiwan's National Health Insurance program from 1998 to 2013. After excluding those who had prior subtotal hysterectomy, women who underwent trachelectomy for benign and precancerous indications were compared by age at surgery (younger than 40 years, n = 130; 40 and 59 years, n = 429; and 60 years or older, n = 439). Trend analysis by age groups and indication was performed for the utilization of trachelectomy. A separate descriptive analysis was also performed to evaluate the surgeon's total trachelectomy case volume during the study period. RESULTS: A total of 998 women who underwent trachelectomy for benign and precancerous indications were included in the study cohort. The overall utilization increased considerably by 100% over the study period. The most common indications for trachelectomy were genital prolapse (75.2%) and precancerous cervical lesion (21.0%). The majority of trachelectomies were performed with concomitant colporrhaphy for genital prolapse among older women without comorbid illness or any prior catastrophic illness. Most women (62.9%) were operated by a relatively small number of surgeons with high case volume (12.6%) during the study period. Compared to women older than 40 years, younger women had less comorbidities, more likely to be treated at private medical institution by surgeons of high case volume, and were less likely to undergo concomitant anterior and posterior colporrhaphy. CONCLUSIONS: The overall utilization of trachelectomy for benign and precancerous indications has increased over the past 16-years from 1998 to 2013, particularly among older Taiwanese women without comorbid illness or any prior catastrophic illness.

A novel integrated structure of thin film GaN LED with ultra-low thermal resistance.

This study proposes a novel packaging structure for vertical thin-GaN LED applications by integration of LED chip and silicon-based packaging process. The vertical thin film LED is directly mounted on package submount. The shortest thermal path structure from junction to package submount achieves the lowest thermal resistance of 1.65 K/W for LED package. Experimental results indicate that low thermal resistance significant improved forward current up to 4.6A with 1.125 × 1.125 mm² LED chip size.