نتایج جستجو برای: pco analysis
تعداد نتایج: 2825619 فیلتر نتایج به سال:
Recent studies on the diazotrophic cyanobacterium Trichodesmium erythraeum (IMS101) showed that increasing CO(2) partial pressure (pCO(2)) enhances N(2) fixation and growth. Significant uncertainties remain as to the degree of the sensitivity to pCO(2), its modification by other environmental factors, and underlying processes causing these responses. To address these questions, we examined the ...
Polycystic ovarian syndrome (PCOS) is associated with hyperhomocysteinemia and polycystic ovaries (PCO) usually produce oocytes of poor quality. However, the intracellular mechanism linking hyperhomocysteinemia and oocyte quality remains elusive. In this study, the quality of the oocytes isolated from healthy and polycystic gilt ovaries was evaluated in vitro in association with one-carbon meta...
This study aimed to determine the biomechanical effect of the posterior condylar offset (PCO) and posterior tibial slope (PTS) in posterior-stabilized (PS) fixed-bearing total knee arthroplasty (TKA). We developed ±1, ±2, and ±3 mm PCO models in the posterior direction and -3°, 0°, 3°, and 6° PTS models using a previously validated FE model. The influence of changes in the PCO and PTS on the bi...
CO(2) serves as one of the fundamental regulators of cerebral blood flow (CBF). It is widely considered that this regulation occurs through pCO(2)-driven changes in pH of the cerebral spinal fluid (CSF), with elevated and lowered pH causing direct relaxation and contraction of the smooth muscle, respectively. However, some findings also suggest that pCO(2) acts independently of and/or in conjun...
Lactating white rats (Rattus norvegicus) were subjected to metabolic and respiratory acidosis and metabolic alkalosis. Before and during the various treatments, the acid-base status of heart blood and milk was determined. Acute metabolic acidosis lowered the pH of plasma and milk; Pco(2) and bicarbonate concentrations in plasma were lowered, and in milk Pco(2) was raised and the bicarbonate con...
Two-hundred and seventeen subjects underwent transvaginal ultrasound -17 (8%) had unilateral polycystic ovary (PCO). Twelve percent of subjects with unilateral scan-pea had oligomenorrhea, 24% were amenorrheic, 23% were hirsute and 29% had acne. Biochemical parameters were compared between subjects with unilateral scan- PCO and those with bilateral scan- PCO (n=200) as well as a group of s...
AIM To find out the incidence of primary posterior capsular opacification (PCO) in rural patients with a hypermature senile cataract undergoing cataract surgery. SETTINGS Tertiary eye care center in central India. DESIGN Prospective, observational, noncomparative study. MATERIALS AND METHODS Two-hundred eyes of 200 patients presenting with a hypermature cataract underwent manual small inc...
BACKGROUND The aim of this study was to evaluate the impact of capsulorhexis diameter, localization and shape on posterior capsule opacification (PCO) development after cataract extraction with phacoemulsification. MATERIAL/METHODS We retrospectively analyzed of 297 patients who underwent phacoemulsification and AcrySof SA60AT implantation. In a first group of 97 patients, 53 received small c...
PURPOSE We tried to demonstrate whether the posterior condylar offset (PCO, the distance from the femoral diaphysis posterior cortex to the posterior condylar margin) and ratio (PCOR, dividing PCO by the maximum antero-posterior diameter of the distal femur) could be used as predictive factors for overhang of the implants or using gender implants in total knee arthroplasty (TKA). MATERIALS AN...
PCO(2) in the lumen and serosa of cecum and colon was measured in rats, guinea pigs, and dogs to examine the relationship between serosal PCO(2) and the incidence of intestinal necrotic lesions after administration of gas-carrier contrast agents in rodents. The effects of the dietary substrate were tested in a group of mice maintained on a diet based on glucose as the only carbohydrate source. ...
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