AimWe investigated survival rates after scoliosis correction in individuals with Duchenne muscular dystrophy (DMD) and evaluated factors that can affect them.MethodThis was a retrospective cohort study from 2000 to 2022 with a minimum 2‐year postoperative follow‐up. We reviewed the hospital records/spinal radiographs and analysed data with XLSTAT. Kaplan–Meier and multivariate Cox regression survival analysis was performed.ResultsForty‐three patients had a mean age at surgery of 14 years 5 months. Mean postoperative follow‐up was 10 years 10 months. There was no operative or 30‐day postoperative mortality in this group. Twenty‐four patients died because of cardiorespiratory failure. Median survivorship was 14 years 2 months, with the longest observed survival being 22 years 6 months given the limitation of the length of postoperative follow‐up. The degree of preoperative coronal imbalance and pelvic obliquity, as well as intraoperative blood loss, were factors that significantly affected survival. The impact of preoperative sagittal imbalance and extension of the fusion to the sacrum/pelvis trended towards significance. In contrast, age at surgery, preoperative/postoperative scoliosis, thoracic kyphosis, lumbar lordosis, scoliosis and pelvic obliquity flexibility or correction indices, postoperative coronal/sagittal balance, need of preoperative non‐invasive ventilation, preoperative feeding disorders, development of surgical complications, and length of hospital and intensive care unit stay were exposure variables that did not affect postsurgical survival in patients with DMD.InterpretationSurvival of up to two decades or more was possible among young patients with DMD after scoliosis correction. This was affected by factors that related to disease and deformity severity, as well as surgical morbidity.
Purpose: To compare the post-op visual quality of spheric and aspheric acrylic yellow tinted intraocular lens following phacoemulsification cataract surgery. Place of study: Al-Majeed Laser Eye Hospital. Methods: Total 60 subjects (aged 40-65years) with age related mature cataracts were included. Data was assembled by non-probability convenient sampling technique at Al-Majeed Laser Eye Hospital. All patients presenting with mature cataract were include in this study without any other pathology and fundus abnormality. Pre and post-operative visual acuity was measured by using standard snellen visual acuity testing chart. For the purpose of accuracy repetitive values were taken for each patient. Post-operative vision was recorded one month followed by phacoemulsification. Comparisons was made between spheric and asphereic acrylic yellow tinted intraocular lens by applying (descriptive) statistics and paired sample t test for the analysis of results. Results: Quality of vision was compared post-operatively after implantation of aspheric hydrophilic acrylic IOL and spheric IOL in posterior chamber under the same phaco surgeon. All subjects after intra ocular implantation had better corrected visual acuity of 6/9 and more improved 6/6. There were found statistically differences in recorded visual acuity with aspheric yellow tinted iol implanation and spheric iol (p = 0.15) between the two types of intra-ocular lens. The mean, standard deviation, t-value found with spheric IOL were.1867, .18889, 2.517 respectively. However, of aspheric hydrophilic acrylic intra-ocular lens mean, standard deviation and t values found .800, .13493 and 2.5493 respectively. There was significant variance in statistics and quality of vision between the two types of lenses. Conclusions: This study concludes that post –operative improvement in quality of vision was better with aspheric hydrophilic yellow tinted lenses than spheric iol implantation. Implanting a foldable aspheric acrylic IOL gave much advantage in visual outcome to pseudophakes by protecting retina from light of shorter wavelength and decrease of chromatic aberration under the photopic circumstances particularly in subjects at hazard of age-related macular degeneration (AMD).
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