Purpose: To study the profile of sight-threatening diabetic retinopathy (STDR), its association with various factors affecting it, and awareness of diabetic retinopathy (DR) among patients with diabetes mellitus (DM) attending a tertiary care center in Kashmir. Methods: In this prospective cross-sectional study, 625 consecutive patients with DM were assessed for STDR. Demographic/clinical data were obtained. Early treatment diabetic retinopathy study (ETDRS) criteria were used to grade fundus photographs. Severe nonproliferative DR, proliferative DR, and/or macular edema were classified as STDR. Optical coherence tomography was used to confirm the diagnosis of macular edema. Results: The mean age of patients was 56.36 ± 9.29 years. The male-to-female ratio was 0.92:1. The majority (99.36%) of patients had type 2 DM. STDR was seen in 208 (33.28%) patients. Non-sight-threatening diabetic retinopathy (NSTDR) was seen in 173 (27.68%) patients. Eye care was sought by 313 (50.08%) patients for the first time. STDR had a significant association with difficulty in accessing the health care facilities, duration of diabetes, uncontrolled diabetes, presence of other diabetes complications, use of insulin, and hypertension ( P < 0.05 for all). Awareness that diabetes can affect eyes showed a significant association with age, gender, educational status, duration of diabetes, glycemic status, DR, and STDR ( P < 0.001 for all). Conclusion: STDR is a common complication in diabetes and is duration- and glycemic control-dependent. Understanding the factors associated with STDR can help in making strategies for its prevention. Spreading awareness regarding STDR at the community level in the Kashmir valley is crucial in this regard.

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Study Design: This is a retrospective cohort study. Objective: The aim of this study was to assess the patient-level risk factors associated with 30- and 90-day unplanned readmissions following elective anterior cervical decompression and fusion (ACDF) or cervical disk arthroplasty (CDA). Summary of Background Data: For cervical disk pathology, both ACDF and CDA are increasingly performed nationwide. However, relatively little is known about the adverse complications and rates of readmission for ACDF and CDA. Methods: A retrospective cohort study was performed using the Nationwide Readmission Database from the years 2013 to 2015. All patients undergoing either CDA or ACDF were identified using the International Classification of Diseases, Ninth Revision, Clinical Modification coding system. Unique patient linkage numbers were used to follow patients and to identify 30- and 31–90-day readmission rates. Patients were grouped by no readmission (Non-R), readmission within 30 days (30-R), and readmission within 31–90 days (90-R). Results: There were a total of 13,093 index admissions with 856 (6.5%) readmissions [30-R: n=532 (4.0%); 90-R: n=324 (2.5%)]. Both overall length of stay and total cost were greater in the 30-R cohort compared with 90-R and Non-R cohorts. The most prevalent 30- and 90-day complications seen among the readmitted cohorts were infection, genitourinary complication, and device complication. On multivariate regression analysis, age, Medicaid status, medium and large hospital bed size, deficiency anemia, and any complication during index admission were independently associated with increased 30-day readmission. Whereas age, large hospital bed size, coagulopathy, and any complication during the initial hospitalization were independently associated with increased 90-day readmission. Conclusion: Our nationwide study identifies the 30- and 90-day readmission rates and several patient-related risk factors associated with unplanned readmission after common anterior cervical spine procedures. Level of Evidence: Level III.

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OBJECTIVEKlippel-Feil syndrome (KFS) is characterized by congenital fusion of the cervical vertebrae. Due to its rarity, minimal research has been done to assess the quality and management of pain associated with this disorder. Using a large global database, the authors report a detailed analysis of the type, location, and treatment of pain in patients with KFS.METHODSData were obtained from the Coordination of Rare Diseases at Stanford registry and Klippel-Feil Syndrome Freedom registry. The cervical fusions were categorized into Samartzis type I, II, or III. The independent-sample t-test, Wilcoxon rank-sum test, and Friedman test were conducted, with significance set at p < 0.05.RESULTSSeventy-five patients (60 female, 14 male, and 1 unknown) were identified and classified as having the following types of Samartzis fusion: type I, n = 21 (28%); type II, n = 15 (20%); type III, n = 39 (52%). Seventy participants (93.3%) experienced pain associated with their KFS. The median age of patients at pain onset was 16.0 years (IQR 6.75–24.0 years), and the median age when pain worsened was 28.0 years (IQR 15.25–41.5 years). Muscle, joint, and nerve pain was primarily located in the shoulders/upper back (76%), neck (72%), and back of head (50.7%) and was characterized as tightness (73%), dull/aching (67%), and tingling/pins and needles (49%). Type III fusions were significantly associated with greater nerve pain (p = 0.02), headache/migraine pain (p = 0.02), and joint pain (p = 0.03) compared to other types of fusion. Patients with cervical fusions in the middle region (C2–6) tended to report greater muscle, joint, and nerve pain (p = 0.06). Participants rated the effectiveness of oral over-the-counter medications as 3 of 5 (IQR 1–3), oral prescribed medications as 3 of 5 (IQR 2–4), injections as 2 of 5 (IQR 1–4), and surgery as 3 of 5 (IQR 1–4), with 0 indicating the least pain relief and 5 the most pain relief. Participants who pursued surgical treatment reported significantly more comorbidities (p = 0.02) and neurological symptoms (p = 0.01) than nonsurgically treated participants and were significantly older when pain worsened (p = 0.03), but there was no difference in levels of muscle, joint, or nerve pain (p = 0.32); headache/migraine pain (p = 0.35); total number of cervical fusions (p = 0.77); location of fusions; or age at pain onset (p = 0.16).CONCLUSIONSMore than 90% of participants experienced pain. Participants with an increased number of overall cervical fusions or multilevel, contiguous fusions reported greater levels of muscle, joint, and nerve pain. Participants who pursued surgery had more comorbidities and neurological symptoms, such as balance and gait disturbances, but did not report more significant pain than nonsurgically treated participants.