Background. The aim of this study was to examine the circulating IL-6 in patients after orthopedic surgery, and the correlation between IL-6, body temperature and the level of postoperative pain. Material and methods. We studied 27 patients undergoing orthopedic hip arthroplasty, including 14 with osteoarthritis and 13 with rheumatoid arthritis. The local medical ethics committee approved the study, and all patients signed informed consent upon being enrolled. All patients received spinal anesthesia. Samples were collected just before and at 24, 48, and 72 hours after surgery; at the same time, body temperature and reported pain were monitored. Results. Plasma IL-6 levels showed a decrease after surgery. This suggests some influence of plasma cytokines on the possible beneficial effects of regional anesthesia on the clinical course after surgery. The level of IL-6 was associated with body temperature and pain in patients after operation. Conclusions. The plasma concentration of IL-6 is a significant factor affecting body temperature and pain after surgery in patients who have undergone hip arthroplasty.
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J Exp Biol
January 2025
Grupo de Ecología Fisiológica y del Comportamiento. Instituto de Investigaciones Marinas y Costeras (IIMyC). CONICET - Universidad Nacional de Mar del Plata, Argentina.
Animal thermoregulation may have significant costs and compete directly or indirectly with other energetically demanding processes, such as immune function. Although the subterranean environment is characterized by thermally-stable conditions, small changes in ambient temperature could be critical in shaping immunity. However, little is known about the effects of ambient temperature, in naturally varying ranges, on immunity of wild species.
View Article and Find Full Text PDFHum Reprod
January 2025
Apple Inc. Health, Cupertino, CA, USA.
Study Question: Can algorithms using wrist temperature, available on compatible models of iPhone and Apple Watch, retrospectively estimate the day of ovulation and predict the next menses start day?
Summary Answer: Algorithms using wrist temperature can provide retrospective ovulation estimates and next menses start day predictions for individuals with typical or atypical cycle lengths.
What Is Known Already: Wrist skin temperature is affected by hormonal changes associated with the menstrual cycle and can be used to estimate the timing of cycle events.
Study Design, Size, Duration: We conducted a prospective cohort study of 262 menstruating females (899 menstrual cycles) aged 14 and older who logged their menses, performed urine LH testing to define day of ovulation, recorded daily basal body temperature (BBT), and collected overnight wrist temperature.
Cytokine
January 2025
Department of Gastroenterology, General Hospital of Ningxia Medical University (The First Clinical Medical College of Ningxia Medical University), 750004 Yinchuan, China.
Background: Sepsis is an infection-related systemic inflammation with high mortality rates. Activation of formyl peptide receptor 1 (FPR1) in immune cells can promote their chemotaxis and inflammatory response, which imbalances immune response during the process of sepsis. FPR1 blockade did diminish systemic inflammatory response during bacterial infection.
View Article and Find Full Text PDFACS Appl Mater Interfaces
January 2025
CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
Maintaining human body temperature in both high and low-temperature environments is fundamental to human survival, necessitating high-performance thermal insulation materials to prevent heat exchange with the external environment. Currently, most fibrous thermal insulation materials are characterized by large weight, suboptimal thermal insulation, and inferior mechanical and waterproof performance, thereby limiting their effectiveness in providing thermal protection for the human body. In this study, lightweight, waterproof, mechanically robust, and thermal insulating polyamide-imide (PAI) grooved micro/nanofibrous aerogels were efficiently and directly assembled by electrospinning.
View Article and Find Full Text PDFIntegr Environ Assess Manag
January 2025
Faculty of Fine Arts, Design and Architecture Department of Landscape Architecture, Tekirdağ Namık Kemal University, Tekirdağ, Türkiye.
Wetlands provide necessary ecosystem services, such as climate regulation and contribution to biodiversity at global and local scales, and they face spatial changes due to natural and anthropogenic factors. The degradation of the characteristic structure signals potential severe threats to biodiversity. This study aimed to monitor the long-term spatial changes of the Göksu Delta, a critical Ramsar site, using remote sensing techniques.
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