To evaluate the influence of age on the outcome of liver resections, 105 consecutive patients undergoing hepatic resection were divided into two groups: age > or = 65 years [Old Group (O-Group)] and age < 65 years [Young Group (Y-Group)]. O-Group and Y-Group patients were analyzed comparatively in terms of primary diagnosis, concomitant diseases, previous surgery, type of operation (major or minor resection), associated procedures, presence and length of portal clamping, intraoperative blood losses and transfusions, and length of operation. The end points of the study were postoperative mortality, morbidity, transfusions, and length of post-operative hospitalization. The Y-Group included 61 resections in 60 patients, with a mean age of 52 +/- 10 years (mean +/- SD), range 23-64 years, and the O-Group 44 resections in 43 patients, with a mean age of 71 +/- 4 years, range 65-82 years. The O-Group included more cases of hepatoma (45.4% vs 18%, p = 0.002) and cirrhosis (40.9% vs 18.7%, p = 0.017). Median length of operation was slightly higher in the Y-Group (330 vs 270 minutes, p = 0.003). The O- and Y-Groups were comparable (p = n.s.) when evaluated for all other variables listed. As regards the end points of the study, length of post-operative hospitalization was identical in both groups (median 9 days, range 5-60 days) and neither PRBC transfusions (O-Group vs Y-Group: 16% vs 25%) nor FFP transfusions (O-Group vs Y-Group: 13.6% vs 6.5%) showed any statistically significant difference. Postoperative mortality consisted in 1 death among the younger patients while no deaths were recorded among the older patients. Postoperative morbidity was higher in the Y-Group than in the O-Group (31.1% vs 20.5%, p = 0.59). Advanced age does not negatively affect the outcome of liver resections.
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Sheng Li Xue Bao
June 2024
School of Physical Education, Minnan University of Science and Technology, Quanzhou 362799, China.
The present study aimed to explore the effects of different exercise modes on neuromuscular junction (NMJ) and metabolism of skeletal muscle-related proteins in aging rats. Ten from 38 male Sprague-Dawley (SD) rats (3-month-old) were randomly selected into young (Y) group, while the rest were raised to 21 months old and randomly divided into elderly control (O), endurance exercise (EN) and resistance exercise (R) groups. After 8 weeks of corresponding exercises training, the gastrocnemius muscles of rats were collected, and the expression of S100B in Schwann cells was detected by immunofluorescence staining.
View Article and Find Full Text PDFSci Rep
February 2022
Department of Systems Biotechnology, Chung-Ang University, Anseong, South Korea.
We examined differences in the skin microbiome of two separate age groups to find key microbial and skin physiological indicators associated with aging. We recruited healthy Korean women 19-28 years old (Y-group) and 60-63 years old (O-group) and evaluated their cheek and forehead skin microbiome, including bacteria and fungi. The microbiome was significantly different by age group, with bacterial and fungal communities displaying higher alpha-diversity in the O-group than in the Y-group.
View Article and Find Full Text PDFStem Cell Res Ther
May 2021
Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, 510515, Guangdong, China.
Background: Fat grafting has been regarded as a promising approach for regenerative therapy. Given the rapidly aging population, better understanding of the effect of age on fat graft outcomes and the underlying mechanisms is urgently needed.
Methods: C57/BL6 mice [old (O, 18-20-month-old) and young (Y, 4-month-old)] were randomized to four fat graft groups [old-to-old (O-O), young-to-young (Y-Y), old-to-young (O-Y), and young-to-old (Y-O)].
Medicine (Baltimore)
January 2020
Department of Anesthesiology.
Background: Propofol has been used widely as an anesthetic for elderly patients; however, the drug instructions only indicate that the need for maintenance of general anesthesia in elderly patients is reduced, and not the extent of the reduction. This study has summarized the usage of propofol in total intravenous anesthesia under bispectral index (BIS) monitoring and determined the optimum dosage of propofol for elderly patients.
Methods: The study comprised 156 patients undergoing elective surgery under general anesthesia divided into 2 groups according to their age: the elderly group (O group) and nonelderly group (Y group).
Interv Neuroradiol
August 2020
Department of Neurosurgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Background: Several recent randomized controlled trials have reported that perioperative complications of carotid artery stenting increase with age, and Japan has the highest proportion of elderly in the world. We retrospectively compared clinical factors, treatment outcomes, and adverse events between younger and elderly carotid artery stenting patients at a single institution in Japan to assess carotid artery stenting safety for the aged population.
Methods: A total of 150 consecutive patients treated with carotid artery stenting using the dual protection (simultaneous flow reversal and distal filter) and blood aspiration method were enrolled.
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