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Nie JW, Hartman TJ, Zheng E, MacGregor KR, Oyetayo OO, Singh K. Impact of Preoperative 12-item Short Form Mental Composite Scores on Clinical Outcomes in Cervical Disc Replacement. Clin Spine Surg 2023; 36:E263-E270. [PMID: 36823703 DOI: 10.1097/bsd.0000000000001441] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 01/25/2023] [Indexed: 02/25/2023]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE We aim to examine the effects of preoperative mental health status on demographic, perioperative characteristics, and postoperative outcomes in patients undergoing cervical disc replacement (CDR). SUMMARY OF BACKGROUND DATA The effect of preoperative mental health status has not been widely studied in CDR. METHODS Patients undergoing primary CDR were retrospectively collected and stratified into 2 cohorts by 12-item Short Form Survey Mental Composite Score (SF-12 MCS) ≥48.9. Patients without preoperative SF-12 MCS scores or diagnosis of infection, malignancy, or trauma were excluded. Demographic information, perioperative characteristic, and patient reported outcome measures (PROMs) were collected. Patient reported outcome measurement information system physical function (PROMIS-PF)/SF-12 Physical Component Score (PCS)/SF-12 MCS/visual analog scale (VAS) neck/VAS leg/neck disability index (NDI) were collected preoperatively and 6 weeks/12 weeks/6 months/1 year postoperatively. RESULTS Eighty-seven patients were included, (47 having SF-12 MCS≥48.9). For PROMs, both cohorts had significant improvement from preoperative baseline, besides SF-12 PCS/MCS at 1 year for the depressed cohort and SF-12 MCS at all time points. The non-depressed cohort demonstrated significantly higher PROMIS-PF preoperatively and at 12 weeks, SF-12 PCS at 12 weeks, SF-12 MCS at all time points, decreased VAS neck at 12 weeks and NDI preoperatively and at 12 weeks, overall minimal clinically important difference (MCID) in most patients in all PROMs besides SF-12 MCS, and higher MCID for PROMIS-PF at 12 weeks. The depressed cohort demonstrated overall MCID in most patients with PROMIS-PF/SF-12 MCS/VAS neck/NDI, and a higher MCID for 6 weeks/12 weeks/6 months postoperatively and overall SF-12 PCS. CONCLUSION Whereas both cohorts demonstrated significantly improved PROMs from baseline, the non-depressed cohort demonstrated better physical function, mental health, decreased pain, and disability at various time points, whereas the depressed cohort demonstrated higher mental health MCID achievement at every time point except 1 year. These findings may be useful in managing expectations for patients undergoing cervical surgery.
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Hartman TJ, Nie JW, Zheng E, MacGregor KR, Oyetayo OO, Federico VP, Massel DH, Sayari AJ, Singh K. Influence of Prolonged Duration of Symptoms Before MIS-TLIF in a Workers' Compensation Population. World Neurosurg 2023; 175:e439-e446. [PMID: 37024079 DOI: 10.1016/j.wneu.2023.03.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/08/2023]
Abstract
OBJECTIVE We assessed the potential effect of the preoperative symptom duration on patient-reported outcomes (PROs) for workers' compensation (WC) patients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF). METHODS WC patients who had undergone primary, elective MIS-TLIF with recorded symptoms duration data available were included. Two cohorts were generated: those with a shorter (lesser) duration (LD; symptom duration <1 year) and those with a prolonged duration (PD; symptom duration >1 year). PROs were collected preoperatively and at several follow-up points for ≤1 year postoperatively. The PROs were compared within and between the 2 cohorts. The achievement rates of minimum clinically important differences were also compared between the 2 cohorts. RESULTS A total of 145 patients were included, with 76 in the PD cohort and 69 in the LD cohort. The LD cohort demonstrated improvement in the patient-reported outcomes measurement information system for physical function (PROMIS-PF) at 6 months and 1 year postoperatively, Oswestry disability index (ODI) at 12 weeks and 6 months postoperatively, visual analog scale (VAS) score for back pain at 6 weeks, 12 weeks, and 6 months postoperatively, and VAS score for leg pain at all postoperative points (P ≤ 0.015 for all). The PD cohort demonstrated improvement in the PROMIS-PF at 12 weeks and 6 months postoperatively, ODI at 6 weeks, 12 weeks, and 6 months postoperatively, and VAS score for back pain and leg pain at all postoperative periods (P ≤ 0.007 for all). All the preoperative PROs were superior for the LD cohort (P < 0.001 for all). The LD cohort reported better PROMIS-PF at 6 months and 1 year and ODI at 1 year postoperatively (P ≤ 0.037 for all). The PD cohort was more likely to achieve a minimum clinically important difference in ODI at 6 and 12 weeks postoperatively, VAS score for back pain at 6 weeks postoperatively, and VAS score for leg pain at 6 weeks and 1 year postoperatively and overall (P ≤ 0.036 for all). CONCLUSIONS Independently of the preoperative symptom duration, WC patients demonstrated improvement in physical function and pain after MIS-TLIF. Patients with a longer symptom duration reported inferior function and pain preoperatively and were more likely to demonstrate clinically significant improvements in disability and pain postoperatively.
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Nie JW, Hartman TJ, Zheng E, Oyetayo OO, MacGregor KR, Federico VP, Massel DH, Sayari AJ, Singh K. Establishing Minimum Clinically Important Difference Thresholds for Physical Function and Pain in Patients Undergoing Anterior Lumbar Interbody Fusion. World Neurosurg 2023; 175:e352-e360. [PMID: 36972902 DOI: 10.1016/j.wneu.2023.03.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023]
Abstract
OBJECTIVE To establish minimum clinically important difference (MCID) in anterior lumbar interbody fusion (ALIF) for the physical function patient-reported outcome measures, Patient-Reported Outcomes Measurement Information System Physical Function (PROMIS-PF), 12-Item Short Form (SF-12) physical component score (PCS), Veterans RAND 12 (VR-12) PCS, and pain patient-reported outcome measures visual analog scale (VAS) back and VAS leg through anchor- and distribution-based calculations. METHODS Patients undergoing ALIF with preoperative and 6-month Oswestry Disability Index were included. Using Oswestry Disability Index as the anchor, anchor-based calculation methods were the average change, minimum detectable change, and receiver operating characteristic curve methods. Distribution-based methods were the standard error of measurement, reliable change index, effect size, and half of the standard deviation (0.5ΔSD). RESULTS Fifty-one patients were identified. Anchor-based methods ranged from 2.9 to 11.5 for PROMIS-PF, 8.2-13.6 for SF-12 PCS, 7.8-16.8 for VR-12 PCS, 0.5-3.9 for VAS back, and 1.0-3.4 for VAS leg. The area under curve ranged from 0.59 (VAS back) to 0.78 (VR-12 PCS). Distribution-based methods ranged from 1.0 to 4.2 for PROMIS-PF, 1.8-12.2 for SF-12 PCS, 1.9-6.2 for VR-12 PCS, 0.4-1.6 for VAS back, and 0.5-1.7 for VAS leg. CONCLUSIONS The MCID values greatly relied on the calculation method. The minimum detectable change method was selected as the most appropriate MCID calculation method. The MCID values that may be utilized for ALIF patients are 7.3 for PROMIS-PF, 8.2 for SF-12 PCS, 7.8 for VR-12 PCS, 3.2 for VAS back, and 2.2 for VAS leg.
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Nie JW, Hartman TJ, Zheng E, MacGregor KR, Oyetayo OO, Massel DH, Sayari AJ, Singh K. Postoperative clinical outcomes in patients undergoing MIS-TLIF versus LLIF for adjacent segment disease. Acta Neurochir (Wien) 2023; 165:1907-1914. [PMID: 37261504 DOI: 10.1007/s00701-023-05629-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/29/2023] [Indexed: 06/02/2023]
Abstract
PURPOSE Few studies examine the clinical outcomes in patients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) versus lateral lumbar interbody fusion (LLIF) for adjacent segment disease (ASD). We aim to compare the postoperative clinical trajectory through patient-reported outcome measures (PROMs) and minimum clinically important difference (MCID) in patients undergoing MIS-TLIF versus LLIF for ASD. METHODS Patients were stratified into two cohorts based on surgical technique for ASD: MIS-TLIF versus LLIF. PROMs of 12-Item Short Form Physical Component Score (SF-12 PCS), visual analog scale (VAS) back, VAS leg, and Oswestry Disability Index (ODI) were collected at preoperative and postoperative 6-week/12-week/6-month/1-year time points. MCID attainment was calculated through comparison to established thresholds. Cohorts were compared through nonparametric inferential statistics. RESULTS Fifty-four patients were identified, with 22 patients undergoing MIS-TLIF after propensity score matching. Patients undergoing MIS-TLIF for ASD demonstrated significant postoperative improvement up to 1-year VAS back, up to 1-year VAS leg, and 6-month through 1-year ODI (p ≤ 0.035, all). Patients undergoing LLIF demonstrated significant postoperative improvement in 6-month SF-12 PCS, 6-month through 1-year VAS back, 12-week through 6-month VAS leg, and 6-month to 1-year ODI (p ≤ 0.035, all). No significant differences were calculated between surgical techniques for PROMs or MCID achievement rates. CONCLUSION Patients undergoing either MIS-TLIF or LLIF for adjacent segment disease demonstrated significant postoperative improvement in pain and disability outcomes. Additionally, patients undergoing LLIF reported significant improvement in physical function. Both MIS-TLIF and LLIF are effective for the treatment of adjacent segment disease.
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Singh K, Jhingan P, Malik M, Mathur S. In vitro comparative evaluation of physical and chemical properties of surface enamel after using APF and SDF with or without laser activation. Eur Arch Paediatr Dent 2023:10.1007/s40368-023-00808-z. [PMID: 37296235 DOI: 10.1007/s40368-023-00808-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023]
Abstract
PURPOSE To evaluate and compare the changes in physical and chemical properties of the enamel surface after application of Silver Diamine Fluoride (SDF), Acidulated Phosphate Fluoride (APF), LASER activated SDF and LASER activated APF. METHODS Sample consisted of 72 freshly extracted healthy human premolar teeth, extracted for orthodontic purpose, free from caries, fracture or any anomalies. The selected samples were randomly divided into four groups (n = 18): Group 1 (SDF); Group 2 (APF); Group 3 (LASER activated SDF) and Group 4 (LASER activated APF). All samples were evaluated for values of DIAGNOdent at baseline, after demineralisation and after remineralisation. They were further divided and assessed for colour changes, surface alterations and fluoride content of surface enamel using Spectrophotometer, Scanning Electron Microscopy and Energy Dispersive X-ray Spectrometry respectively. The statistical analysis was done using One-Way ANOVA, Tukey's HSD test, Mann-Whitney U test and Kruskal-Wallis Test. RESULTS Highest remineralising potential and maximum colour changes of surface enamel was exhibited by Group 3. Scanning Electron Micrographs of Group 3 and Group 4 exhibited regular globular structures of enamel whereas Group 1 and Group 2 showed irregular globular surface of the enamel at 2000× and 5000× magnification. Maximum fluoride uptake on the surface enamel was seen in Group 4 followed by Group 3. CONCLUSION Use of LASER activated topical fluorides helps to achieve superior caries prevention. LASER activated APF can be used as an aesthetic alternative to SDF, as LASER activated APF showed higher uptake of fluoride on the enamel surface without discoloration effect.
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Nie JW, Hartman TJ, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Minimum Clinically Important Difference in Patients Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion. Neurosurgery 2023; 92:1199-1207. [PMID: 36625578 DOI: 10.1227/neu.0000000000002350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 11/07/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Few studies have established the minimum clinically important difference (MCID) in patients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) for physical function and pain. OBJECTIVE To establish MCID for physical function and pain patient-reported outcome measures (PROMs) for MIS-TLIF through anchor- and distribution-based methods using the Oswestry Disability Index (ODI) as the anchor. METHODS Ninety-eight patients undergoing primary MIS-TLIF with preoperative and 1-year postoperative ODI scores were identified. MCID was calculated using anchor- and distribution-based methods. ODI responders were classified as patients who decreased by 1 disability classification. PROMs of Patient-Reported Outcome Measurement Information System-Physical Function (PROMIS-PF), 12-Item Short Form Physical Component Score (SF-12 PCS), Visual Analog Scale (VAS) back/leg, and ODI were collected preoperatively and 1-year postoperatively. Anchor-based methods were average change, minimum detectable change, change difference, receiver operating characteristic curve, and cross-sectional analysis. Distribution-based methods were standard error of measurement, receiver change index, effect size, and 0.5 ∗ ΔSD. RESULTS Anchor-based methods ranged from 4.2 to 11.9 for PROMIS-PF, 6.0 to 15.8 for SF-12 PCS, 1.8 to 4.6 for VAS back, and 2.1 to 4.0 for VAS leg. The area under the curve for receiver operating characteristic analysis ranged from 0.66 to 0.81. Distribution-based methods ranged from 1.1 to 3.9 for PROMIS-PF, 1.6 to 10.4 for SF-12 PCS, 0.5 to 1.6 for VAS back, and 0.6 to 1.8 for VAS leg. CONCLUSION Patients undergoing MIS-TLIF had a wide range of MCID values. The receiver operating characteristic curve was selected as the most clinically appropriate method. The corresponding MCID values were 4.2 for PROMIS-PF, 6.8 for SF-12 PCS, 1.8 for VAS back, and 2.4 for VAS leg.
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Singh K, Bradley CE, Anand S, Ramesh V, White R, Bernien H. Mid-circuit correction of correlated phase errors using an array of spectator qubits. Science 2023:eade5337. [PMID: 37228222 DOI: 10.1126/science.ade5337] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 05/15/2023] [Indexed: 05/27/2023]
Abstract
Scaling up invariably error-prone quantum processors is a formidable challenge. Although quantum error correction ultimately promises fault-tolerant operation, the required qubit overhead and error thresholds are daunting. In a complementary proposal, co-located, auxiliary 'spectator' qubits act as in-situ probes of noise, and enable real-time, coherent corrections of data qubit errors. We use an array of cesium spectator qubits to correct correlated phase errors on an array of rubidium data qubits. By combining in-sequence readout, data processing, and feed-forward operations, these correlated errors are suppressed within the execution of the quantum circuit. The protocol is broadly applicable to quantum information platforms, and establishes key tools for scaling neutral-atom quantum processors: mid-circuit readout of atom arrays, real-time processing and feed-forward, and coherent mid-circuit reloading of atomic qubits.
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Patel MR, Jacob KC, Chavez FA, Parsons AW, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. Does Baseline Severity of Arm Pain Influence Outcomes Following Single-Level Anterior Cervical Discectomy and Fusion? Asian Spine J 2023:asj.2022.0027. [PMID: 37211669 DOI: 10.31616/asj.2022.0027] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 06/07/2022] [Indexed: 05/23/2023] Open
Abstract
Study Design Retrospective cohort. Purpose To assess preoperative arm pain severity influence on postoperative patient-reported outcomes measures (PROMs) and minimal clinically important difference (MCID) achievement following single-level anterior cervical discectomy and fusion (ACDF). Overview of Literature There is evidence that preoperative symptom severity can affect postoperative outcomes. Few have evaluated this association between preoperative arm pain severity and postoperative PROMs and MCID achievement following ACDF. Methods Individuals undergoing single-level ACDF were identified. Patients were grouped by preoperative Visual Analog Scale (VAS) arm ≤8 vs. >8. PROMs collected preoperatively and postoperatively included VAS-arm/VAS-neck/Neck Disability Index (NDI)/12-item Short Form (SF-12) Physical Composite Score (PCS)/SF-12 mental composite score (MCS)/Patient-Reported Outcomes Measurement Information System physical function (PROMIS-PF). Demographics, PROMs, and MCID rates were compared between cohorts. Results A total of 128 patients were included. The VAS arm ≤8 cohort significantly improved for all PROMs excepting VAS arm at 1-year/2-years, SF-12 MCS at 12-weeks/1-year/2-years, and SF-12 PCS/PROMIS-PF at 6-weeks, only (p ≤0.021, all). The VAS arm >8 cohort significantly improved for VAS neck at all timepoints, VAS arm from 6-weeks to 1-year, NDI from 6-weeks to 6-months, and SF-12 MCS/PROMIS-PF at 6-months (p ≤0.038, all). Postoperatively, the VAS arm >8 cohort had higher VAS-neck (6 weeks/6 months), VAS-arm (12 weeks/6 months), NDI (6 weeks/6 months), lower SF-12 MCS (6 weeks/6 months), SF-12 PCS (6 months), and PROMISPF (12 weeks/6 months) (p ≤0.038, all). MCID achievement rates were higher among the VAS arm >8 cohort for the VAS-arm at 6-weeks/12-weeks/1-year/overall and NDI at 2 years (p ≤0.038, all). Conclusions Significance in PROM score differences between VAS arm ≤8 vs. >8 generally dissipated at the 1-year and 2-year timepoint, although higher preoperative arm pain patients suffered from worse pain, disability, and mental/physical function scores. Furthermore, clinically meaningful rates of improvement were similar throughout the vast majority of timepoints for all PROMs studied.
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Hartman TJ, Nie JW, Federico VP, MacGregor KR, Oyetayo OO, Zheng E, Massel DH, Sayari AJ, Singh K. Does Symptom Duration Prior to Anterior Cervical Discectomy and Fusion for Disc Herniation Influence Patient-Reported Outcomes in a Workers' Compensation Population? World Neurosurg 2023; 173:e748-e754. [PMID: 36898631 DOI: 10.1016/j.wneu.2023.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/28/2023] [Accepted: 03/02/2023] [Indexed: 03/11/2023]
Abstract
OBJECTIVE To evaluate the influence of symptom duration before anterior cervical discectomy and fusion (ACDF) on patient-reported outcomes (PROs) in workers' compensation patients. METHODS A prospective registry was searched for workers' compensation patients who underwent ACDF for herniated disc. Two cohorts based on symptom duration were formed: lesser duration (LD) (<6 months) and prolonged duration (PD) (≥6 months). PROs were collected preoperatively and at 6 weeks, 12 weeks, 6 months, and 1 year postoperatively. PROs were compared within and between groups. Rates of minimum clinically important difference (MCID) were compared between groups. RESULTS The study included 63 patients. The LD cohort reported improvement in Patient-Reported Outcomes Measurement Information System-Physical Function (PROMIS-PF), Neck Disability Index (NDI), and visual analog scale (VAS) neck at 12 weeks and 6 months and VAS arm at all periods (all P ≤ 0.036). The LD cohort reported improvement in NDI at 12 weeks and 6 months and VAS arm at 6 weeks, 12 weeks, and 6 months (all P ≤ 0.037). Between groups, the LD cohort demonstrated superior scores in PROMIS-PF at 6 weeks, 12 weeks, and 6 months; NDI preoperatively and at 6 weeks, 12 weeks, and 6 months; VAS neck at 12 weeks; and 9-item Patient Health Questionnaire (PHQ-9) at 6 months (all P ≤ 0.045). The LD group was more likely to achieve MCID in PROMIS-PF at 12 weeks (P = 0.012). The PD group was more likely to achieve MCID in PHQ-9 at 6 months (P = 0.023). CONCLUSIONS Regardless of length of symptom duration before ACDF in workers' compensation patients, the patients demonstrated improvements in disability and arm pain. Patients with LD also demonstrated improvements in physical function and neck pain. Patients with LD demonstrated superior scores in physical function, pain, disability, and mental health and were more likely to achieve clinically significant improvement in physical function. Patients with PD were more likely to achieve clinically significant improvement in mental health.
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Hartman TJ, Nie JW, Zheng E, MacGregor KR, Oyetayo OO, Federico VP, Massel DH, Sayari AJ, Singh K. Depressed patients with greater symptom duration before MIS-TLIF do not report inferior outcomes. Acta Neurochir (Wien) 2023:10.1007/s00701-023-05593-8. [PMID: 37119321 DOI: 10.1007/s00701-023-05593-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/10/2023] [Indexed: 05/01/2023]
Abstract
PURPOSE Patients with preoperative depressive symptoms may demonstrate inferior patient-reported outcomes (PROs). The effect of preoperative symptom duration (SD) on PROs in this population has not been well-studied. We aim to assess the influence of preoperative SD on PROs in patients with low mental health scores prior to minimally invasive transforaminal interbody fusion (MIS-TLIF). METHODS Patients who had undergone elective, primary MIS-TLIF with preoperative SF-12 MCS score below 45.6, a previously established threshold for depression, were selected. Patients were divided into matched lesser duration (LD; SD<365 days) and greater duration (GD; SD≥365 days) cohorts. PROs were collected preoperatively and at 6-week/12-week/6-month/1-year postoperative periods. PROs included PROMIS-PF/ODI/VAS back/VAS leg/SF-12 MCS. PROs were compared within and between groups. Rates of achievement of minimal clinically important difference (MCID) were compared between groups. RESULTS One hundred twenty-two patients were included after matching cohorts. Patients in the LD cohort demonstrated improvement in PROMIS-PF at 12-weeks/6-month/1-year, and ODI/VAS back/VAS leg/SF-12 MCS at all postoperative periods (p≤0.024, all). Patients in the GD cohort demonstrated improvement in PROMIS-PF at 12-weeks/6-month/1-year, and ODI/VAS back/VAS leg/SF-12 MCS at all postoperative periods (p≤0.013, all). There were no differences in PROs or MCID achievement between cohorts at any period. CONCLUSION Patients with preoperative depressive symptoms undergoing MIS-TLIF, regardless of duration of preoperative symptoms, demonstrated improvements in physical function, disability, pain, and mental health domains. Patients with greater duration of preoperative symptoms did not report inferior outcomes at any period. Rates of clinically important improvements in all domains were favorable and similar between cohorts.
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Alturk MR, Alkhdr MO, Abo Zeed MS, Singh K. Extended minimal enteral feeding and time to regain birth weight in extremely low-birth-weight infants. J Neonatal Perinatal Med 2023:NPM221166. [PMID: 37092241 DOI: 10.3233/npm-221166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
BACKGROUND Minimal enteral feeding after birth has been developed as a strategy to enhance the functional maturation of the gastrointestinal tract. This study aimed to examine the relationship between the duration of minimal enteral feeding and time to regain birth weight in extremely low-birth-weight infants. METHODS This retrospective study included all extremely low-birth-weight infants born between January 2018 and December 2020. Infants with major congenital anomalies and conditions requiring surgery and those who died or received palliative care in the first 10 days of life were excluded from the analysis. Minimal enteral feeding courses were categorized as extended if the feeding was continued for > 72 hours and short if the feeding was < 72 hours. The primary measured outcome was the time taken to regain birth weight. RESULTS Of 217 study infants, 180 received an extended minimal enteral feeding for > 72 h. The median time to regain birth weight was not significantly different between the extended and short minimal enteral feeding groups, median (IQR) was 10 (7-13) versus 8 (6-11), respectively (p = 0.15). Extended minimal enteral feeding is associated with a significant increase in the mean duration of the total parenteral nutrition, (21.3±10 versus 17.2±9.3 days; p = 0.021). Infants with prolonged minimal enteral feeding courses experienced non-significantly higher levels of necrotizing enterocolitis, late-onset sepsis, and retinopathy of prematurity. CONCLUSIONS Extended minimal enteral feeding in extremely low-birth-weight infants may not affect the time taken to regain birth weight.
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Hartman TJ, Nie JW, Zheng E, Oyetayo OO, MacGregor KR, Singh K. Poor mental health scores correlate with inferior outcomes following minimally invasive transforaminal lumbar interbody fusion. Acta Neurochir (Wien) 2023:10.1007/s00701-023-05557-y. [PMID: 37071181 DOI: 10.1007/s00701-023-05557-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 02/21/2023] [Indexed: 04/19/2023]
Abstract
BACKGROUND Limited spine literature has studied the strength of association of mental health with other outcomes at time of survey collection. We aim to evaluate the degree to which mental health correlates with outcomes in patients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) at several postoperative periods. METHODS Patients having undergone elective MIS-TLIF were searched within a retrospective single-surgeon database. Five hundred eighty-five patients were included. Patient-reported outcomes (PROs) including Patient-Reported Outcome Measurement Information System Physical Function (PROMIS PF), 12-item Short Form Physical Component Score (SF-12 PCS) and Mental Component Score (SF-12 MCS), Patient Health Questionnaire-9 (PHQ-9), Visual Analog Scale (VAS) back and leg pain, and Oswestry Disability Index (ODI) scores were collected preoperatively and at 6-week, 12-week, 6-month, 1-year, and 2-year periods. Pearson's correlation tests were used to evaluate the association between both SF-12 MCS and PHQ-9 scores to other PROs at each period. RESULTS SF-12 MCS correlated with PROMIS PF (|r|= 0.308-0.531), SF-12 PCS (|r|= 0.207-0.328), VAS back (|r|= 0.279-0.474), VAS leg (|r|= 0.178-0.395), and ODI (|r|= 0.450-0.538) at all time points (P ≤ 0.021, all) except for preoperative SF-12 PCS and 1-year VAS leg. PHQ-9 correlated with PROMIS PF (|r|= 0.366-0.701), SF-12 PCS (|r|= 0.305-0.568), VAS back (|r|= 0.362-0.714), VAS leg (|r|= 0.319-0.694), and ODI (|r|= 0.613-0.784) at all periods (P < 0.001, all). CONCLUSION Poor mental health scores were correlated with lower physical function, elevated pain scores, and higher disability. PHQ-9 scores demonstrated stronger correlation in all relationships compared to SF-12 MCS. Optimization of patient mental health may lead to improved patient perception regarding function, pain, and disability following MIS-TLIF.
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Nie JW, Hartman TJ, Oyetayo OO, Zheng E, MacGregor KR, Singh K. Impact of Sleep Disturbance on Clinical Outcomes in Lumbar Decompression. World Neurosurg 2023; 172:e304-e311. [PMID: 36632896 DOI: 10.1016/j.wneu.2023.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023]
Abstract
OBJECTIVE To examine the impact of Patient-Reported Outcomes Measurement Information System (PROMIS) Sleep Disturbance (PROMIS-SD) on clinical outcomes in patients undergoing lumbar decompression. METHODS Patients undergoing lumbar decompression with preoperative PROMIS-SD scores were retrospectively included. Patients were separated into 2 cohorts: none to slight sleep disturbance (PROMIS-SD <55) and mild to severe sleep disturbance (PROMIS-SD ≥55). Patient-reported outcome measures including PROMIS Physical Function, PROMIS Anxiety, PROMIS Pain Interference, PROMIS SD, 9-item Patient Health Questionnaire, visual analog scale back/leg, and Oswestry Disability Index were collected preoperatively and up to 1 year postoperatively. RESULTS Of 87 patients identified, 48 patients had PROMIS-SD scores ≥55. Regardless of preoperative PROMIS-SD score, patients reported significant improvement in physical function, anxiety, pain interference, depression, pain, and disability outcomes in at least 1 time point. Patients in the PROMIS-SD ≥55 cohort reported postoperative improvement in sleep disturbance. Patients in the PROMIS-SD <55 cohort reported superior preoperative patient-reported outcome measures in all domains and superior postoperative improvement in pain interference and sleep disturbance. Minimum clinically important difference attainment rates were higher in the PROMIS-SD ≥55 cohort in physical function, anxiety, pain interference, sleep disturbance, and pain. CONCLUSIONS Patients undergoing lumbar decompression demonstrated significant postoperative improvement in most clinical outcomes regardless of preoperative sleep disturbance. Patients with mild to severe sleep disturbance had higher minimum clinically important difference attainment rates for physical function, mental function, and pain. Patients undergoing lumbar decompression with greater preoperative sleep disturbance may experience more clinically noticeable improvement.
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Kimyaghalam A, Gabay A, Singh K. Aberrant right subclavian artery: a case of vertebrobasilar insufficiency. J Surg Case Rep 2023; 2023:rjad199. [PMID: 37114086 PMCID: PMC10125837 DOI: 10.1093/jscr/rjad199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 03/21/2023] [Indexed: 04/29/2023] Open
Abstract
Aberrant right subclavian artery (ARSA) is a rare congenital malformation, wherein the aorta gives rise to the right subclavian artery as a branch off the aortic arch distal to the takeoff of the left subclavian artery. We presented a case of a patient with ARSA that manifested vertebrobasilar symptoms. PubMed search was preformed using keywords 'aberrant right subclavian artery', 'right subclavian steal' and 'vertebrobasilar', which generated nine articles. We found only seven case reports through a PubMed search that discuss ARSA in association with Subclavian steal syndrome. Approximately 71% (n = 5) of the patients in our literature review manifested with signs and symptoms of vertebrobasilar insufficiency. Given the complex anatomy in this condition, treatment should be aimed at symptom resolution. Carotid-subclavian bypass ultimately resolved the symptoms in our patient. Management in symptomatic patient is surgical. In addition to open technique, endovascular interventions can be an option.
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Hapuarachi B, Tidy JA, Romanowski C, Singh K, Gillett S, Ireson J, Winter MC. Leptomeningeal disease as a presenting feature of gestational trophoblastic neoplasia: A review and recommendations for management. Gynecol Oncol 2023; 172:47-53. [PMID: 36934478 DOI: 10.1016/j.ygyno.2023.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/25/2023] [Accepted: 03/07/2023] [Indexed: 03/19/2023]
Abstract
OBJECTIVES Gestational Trophoblastic Neoplasia (GTN) is a rare group of malignant placental-related tumours requiring systemic anti-cancer treatment. Leptomeningeal disease (LMD) related to GTN is not well reported with no consensus in optimal treatment. We offer recommendations for management of these patients. METHODS We discuss five patients with GTN who presented with features of LMD and were diagnosed with gadolinium-enhanced MRI brain, all of whom received low dose induction etoposide-cisplatin (EP) followed by either EP-etoposide, methotrexate (CNS) and actinomycin-D (EMA) or EMA(CNS)-cyclophosphamide and vincristine (CO). RESULTS Four out of the five patients additionally received intrathecal methotrexate. Four patients had complete hCG response to first line multi-agent chemotherapy, one patient required second line paclitaxel, cisplatin alternating with paclitaxel, etoposide (TP/TE), where paclitaxel was substituted with nab-paclitaxel due to anaphylaxis, followed by hysterectomy. One of the four initial complete hCG responders relapsed in the lung requiring further systemic treatment with subsequent lobectomy. Patient reported outcomes indicate persistent neurological symptoms are mild and do not affect functionality and quality of life. CONCLUSION With a follow-up range of 2-6 years, all five patients remain cured demonstrating excellent survival outcomes with the avoidance of whole-brain radiotherapy in all cases.
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Nie JW, Hartman TJ, Zheng E, Oyetayo OO, MacGregor KR, Federico VP, Massel DH, Sayari AJ, Singh K. Impact of body mass index on PROMIS outcomes following lumbar decompression. Acta Neurochir (Wien) 2023; 165:1427-1434. [PMID: 36892729 DOI: 10.1007/s00701-023-05534-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 02/11/2023] [Indexed: 03/10/2023]
Abstract
BACKGROUND No studies have examined the impact of body mass index (BMI) on newer Patient-Reported Outcomes Measurement Information System (PROMIS) outcomes in patients undergoing lumbar decompression (LD). METHODS Patients undergoing LD with preoperative PROMIS measures were stratified into four cohorts: normal (18.5 ≤ BMI < 25 kg/m2), overweight (25 ≤ BMI < 30 kg/m2), obese I (30 ≤ BMI < 35 kg/m2), and obese II-III (BMI ≥ 35 kg/m2). Demographics, perioperative characteristics, and patient-reported outcomes (PROs) were obtained. PROs of PROMIS Physical Function (PROMIS-PF), PROMIS Anxiety (PROMIS-A), PROMIS Pain Interference (PROMIS-PI), PROMIS Sleep Disturbance (PROMIS-SD), Patient Health Questionnaire-9 (PHQ-9), Visual Analog Scale (VAS) Back Pain (VAS-BP), VAS Leg Pain (VAS-LP), and Oswestry Disability Index (ODI) were collected at preoperative and up to 2-year postoperative time points. Minimum clinically important difference (MCID) achievement was determined through comparison of previously established values. Comparison between cohorts were determined through inferential statistics. RESULTS A total of 473 patients were identified, with stratification of 125 patients in the normal cohort, 161 in the overweight cohort, 101 in the obese I cohort, and 87 in the obese II-III cohort. Mean postoperative follow-up time was 13.51 ± 8.72 months. Higher BMI patients had higher operative times, longer postoperative length of stay, and greater narcotic consumption (p ≤ 0.001, all). Patients with higher BMI (obese I, obese II-III) reported inferior preoperative PROMIS-PF, VAS-BP, and ODI scores (p ≤ 0.003, all). Postoperatively, obese I-III cohorts demonstrated inferior PROMIS-PF, PHQ-9, VAS-BP, and ODI scores at final follow-up (p ≤ 0.016, all). However, patients demonstrated similar postoperative changes and MCID achievement regardless of preoperative BMI. CONCLUSION Patients undergoing lumbar decompression demonstrated similar postoperative improvement in physical function, anxiety, pain interference, sleep disturbance, mental health, pain, and disability outcomes independent of preoperative BMI. However, obese patients reported worse physical function, mental health, back pain, and disability outcomes at final postoperative follow-up. Patients with greater BMI undergoing lumbar decompression demonstrate inferior postoperative clinical outcomes.
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Nie JW, Hartman TJ, Oyetayo OO, Zheng E, MacGregor KR, Massel DH, Sayari AJ, Singh K. Influence of Preoperative Disability on Clinical Outcomes in Patients Undergoing Anterior Lumbar Interbody Fusion. World Neurosurg 2023; 171:e412-e421. [PMID: 36509327 DOI: 10.1016/j.wneu.2022.12.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Few studies have examined the influence of preoperative disability through the Oswestry Disability Index (ODI) on clinical outcomes in patients undergoing anterior lumbar interbody fusion (ALIF). METHODS Patients undergoing ALIF were separated into 2 groups based on ODI<41 (lower disability) versus ODI≥41% (higher disability). Patient-reported outcomes (PROs) were collected at preoperative and postoperative 6-week/12-week/6-month/1-year/2-year time points. Physical function PROs were Patient-Reported Outcomes Measurement Information System Physical Function and 12-item Short Form Physical Component Score. Mental function PROs were 12-item Short Form Mental Component Score and Patient Health Questionnaire-9. Pain PROs were visual analog scale back and visual analog scale leg. ODI was the disability PRO. RESULTS A total of 148 patients were identified, with 52 patients with lower disability. Higher disability patients demonstrated significant improvement in mental function (P ≤ 0.010, all). Lower disability patients demonstrated superior postoperative PROs in physical function, mental function, back pain, and disability outcomes (P ≤ 0.034, all). Minimum clinically important difference achievement rates for lower disability patients were higher for back pain and lower for mental function and disability outcomes (P ≤ 0.041, all). CONCLUSIONS Independent of preoperative disability, patients undergoing ALIF reported significant postoperative improvement in physical function, pain, and disability outcomes. Patients with lower preoperative disability continued to report superior PROs in mental function, back pain, and disability postoperatively. Minimum clinically important difference achievement rates for lower disability patients were higher for back pain and lower in mental function and disability outcomes. Patients undergoing ALIF with higher preoperative disability may experience greater clinically meaningful improvement in mental function and disability.
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Jacob KC, Patel MR, Park GA, Gheewala JR, Vanjani NN, Pawlowski H, Prabhu MC, Singh K. The Influence of Presenting Physical Function on Postoperative Patient Satisfaction and Clinical Outcomes Following Minimally Invasive Lumbar Decompression. Clin Spine Surg 2023; 36:E6-E13. [PMID: 35759781 DOI: 10.1097/bsd.0000000000001360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 05/18/2022] [Indexed: 02/07/2023]
Abstract
STUDY DESIGN The study of retrospective cohort. OBJECTIVE The aim was to compare patient-reported outcome measures (PROMs), satisfaction, and minimum clinically important difference (MCID) achievement following minimally invasive lumbar decompression (MIS-LD) in patients stratified by the preoperative patient-reported outcomes measurement information system physical function (PROMIS-PF) score. SUMMARY OF BACKGROUND DATA Although prior studies have assessed the predictive utility of preoperative PROMIS-PF scores on patient outcomes in spinal fusion, its utility has not been studied for patients undergoing MIS-LD. METHODS Primary, single/multilevel MIS-LD procedures were identified. PROMs were administered at preoperative/6-week/12-week/6-month/1-year/2-year time points and included PROMIS-PF/visual analog scale (VAS) back and leg/Oswestry Disability Index (ODI). Satisfaction scores were collected postoperatively. The patients were grouped by preoperative PROMIS-PF score (≤35, >35), with higher scores indicating improved physical function. Demographic/perioperative characteristics were compared using χ 2 /Student t test. Mean PROMs/postoperative satisfaction was compared utilizing 2-sample t test. Postoperative PROM improvement from preoperative was calculated with paired t tests. MCID achievement rates were compared using simple logistic regression. RESULTS Two hundred and sixteen patients were included, 58 PROMIS-PF≤35 and 158 PROMIS-PF>35. Ethnicity/insurance differed ( P ≤0.004, all). Hospital length of stay was greater for PROMIS-PF>35 ( P =0.042). All preoperative mean PROMs significantly differed except for VAS Back. Several postoperative mean PROMs differed: PROMIS-PF at 6 weeks/12 weeks/6 months/1 year, SF-12 PCS at 6 weeks/12 weeks/1 year, VAS Back at 6 weeks/12 weeks, VAS leg at 6 weeks/12 weeks, and ODI at 6 weeks/12 weeks ( P <0.050, all). All PROMs significantly improved from preoperative at all postoperative time points ( P <0.003, all). The MCID achievement rates differed only for VAS back for 6 weeks, favoring PROMIS-PF>35 cohort ( P =0.001). Postoperative satisfaction was greater in PROMIS-PF>35 cohort for VAS leg at 6 weeks/12 weeks/6 months/2 years, VAS back at 6-weeks/12-weeks, and ODI at all time points ( P <0.037, all). Postoperative satisfaction was greater in PROMIS-PF>35 cohort for individual ODI categories: sleep at 6-weeks/12-weeks/1-year/2-years, lifting, walking, standing, and travel at all time points, and sexual at 6-weeks/12-weeks/1-year/2-years ( P <0.030, all). CONCLUSION Poorer preoperative PROMIS-PF scores were associated with worse postoperative clinical outcomes and satisfaction. By stratifying patients with preoperative PROMIS-PF scores, surgeons may better predict postoperative clinical improvement and seek to manage patient expectations.
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Geoghegan CE, Mohan S, Lynch CP, Cha EDK, Jacob KC, Patel MR, Prabhu MC, Vanjani NN, Pawlowski H, Singh K. Validation of Neck Disability Index Severity among Patients Receiving One or Two-Level Anterior Cervical Surgery. Asian Spine J 2023; 17:86-95. [PMID: 35527536 PMCID: PMC9977990 DOI: 10.31616/asj.2021.0414] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 01/05/2022] [Indexed: 11/23/2022] Open
Abstract
STUDY DESIGN Retrospective cohort. PURPOSE To evaluate the validity of established severity thresholds for Neck Disability Index (NDI) among patients undergoing anterior cervical discectomy and fusion (ACDF) or cervical disc arthroplasty (CDA). OVERVIEW OF LITERATURE Few studies have examined the validity of established NDI threshold values among patients undergoing ACDF or CDA. METHODS A surgical database was reviewed to identify patients undergoing cervical spine procedures. Demographics, operative characteristics, comorbidities, NDI, Visual Analog Scale (VAS), and 12-item Short Form (SF-12) physical and mental composite scores (PCS and MCS) were recorded. NDI severity was categorized using previously established threshold values. Improvement from preoperative scores at each postoperative timepoint and convergent validity of NDI was evaluated. Discriminant validity of NDI was evaluated against VAS neck and arm and SF-12 PCS and MCS. RESULTS All 290 patients included in the study demonstrated significant improvements from baseline values for all patient-reported outcome measures (PROMs) at all postoperative timepoints (p<0.001) except SF-12 MCS at 2 years (p =0.393). NDI showed a moderate- to-strong correlation (r≥0.419) at most timepoints for VAS neck, VAS arm, SF-12 PCS, and SF-12 MCS (p<0.001, all). NDI severity categories demonstrated significant differences in mean VAS neck, VAS arm, SF-12 PCS, and SF-12 MCS at all timepoints (p<0.001, all). Differences between NDI severity groups were not uniform for all PROMs. VAS neck values demonstrated significant intergroup differences at most timepoints, whereas SF-12 MCS showed significantly different values between most severity groups. CONCLUSIONS Neck disability is strongly correlated with neck and arm pain, physical function, and mental health and demonstrates worse outcomes with increasing severity. Previously established severity categories may be more applicable to pain than physical function or mental health and may be more uniformly applied preoperatively for cervical spine patients.
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Patel MR, Jacob KC, Amin KS, Ribot MA, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Does Baseline Mental Health Influence Outcomes among Workers' Compensation Claimants Undergoing Minimally Invasive Transforaminal Lumbar Interbody Fusion? Asian Spine J 2023; 17:96-108. [PMID: 35989505 PMCID: PMC9977979 DOI: 10.31616/asj.2021.0388] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 03/17/2022] [Indexed: 11/23/2022] Open
Abstract
STUDY DESIGN This was a retrospective cohort study. PURPOSE This study investigated the influence of preoperative mental health on patient-reported outcome measures (PROMs) and minimal clinically important difference (MCID) among workers' compensation (WC) recipients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). OVERVIEW OF LITERATURE No studies have evaluated the impact of preoperative mental functioning on outcomes following MIS TLIF among WC claimants. METHODS WC recipients undergoing single-level MIS TLIF were identified. PROMs of Visual Analog Scale (VAS) for back and leg pain, Oswestry Disability Index (ODI), 12-item Short Form Physical and Mental Composite Scale (SF-12 PCS/MCS), and Patient-Reported Outcomes Measurement Information System Physical Function evaluated subjects preoperatively/postoperatively. Subjects were grouped according to preoperative SF-12 MCS: <41 vs. ≥41. Demographic/perioperative variables, PROMs, and MCID were compared using inferential statistics. Multiple regression was used to account for differences in spinal pathology. RESULTS The SF-12 MCS <41 and SF-12 MCS ≥41 groups included 48 and 45 patients, respectively. Significant differences in ΔPROMs were observed at SF-12 MCS at all timepoints, except at 6 months (p≤0.041, all). The SF-12 MCS <41 group had worse preoperative to 6-months SF-12 MCS, 12-weeks/6-months VAS back, 12-week VAS leg, and preoperative to 6-months ODI (p≤0.029, all). The SF-12 MCS <41 group had greater MCID achievement for overall ODI and 6-weeks/1-year/overall SF-12 MCS (p≤0.043, all); the SF-12 MCS ≥41 group had greater attainment for 6-month VAS back (p=0.004). CONCLUSIONS Poorer mental functioning adversely affected the baseline and intermediate postoperative quality-of-life outcomes pertaining to mental health, back pain, and disability among WC recipients undergoing lumbar fusion. However, outcomes did not differ 1-2 years after surgery. While MCID achievement for pain and physical function was largely unaffected by preoperative mental health score, WC recipients with poorer baseline mental health demonstrated higher rates of overall clinically meaningful improvements for disability and mental health.
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Nie JW, Hartman TJ, MacGregor KR, Oyetayo OO, Zheng E, Singh K. Establishing minimum clinically important difference for patient-reported outcome measures in patients undergoing lateral lumbar interbody fusion. Acta Neurochir (Wien) 2023; 165:325-334. [PMID: 36602614 DOI: 10.1007/s00701-022-05428-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 11/17/2022] [Indexed: 01/06/2023]
Abstract
BACKGROUND The minimum clinically important difference (MCID) has not been established in lateral lumbar interbody fusion (LLIF). Our study aims to establish MCID for patient-reported outcome measures (PROMs) of physical function and pain for LLIF through anchor-based and distribution-based approaches. METHODS Patients undergoing LLIF with preoperative and 6-month postoperative Oswestry Disability Index (ODI) scores were identified. PROMs of Patient-Reported Outcome Measurement Information System Physical Function (PROMIS-PF), 12-Item Short Form Physical Component Score (SF-12 PCS), Veterans RAND 12-Item Short Form Physical Component Score (VR-12 PCS), visual analog scale (VAS) back, and VAS leg were collected at preoperative and 6-month postoperative time points. Anchor-based MCID calculations were average change, minimal detectable change, change difference, receiver operating characteristic curve, and cross-sectional analysis using ODI as the anchor. Distribution-based calculations were standard error of measurement, reliable change index, effect size, and 0.5 ∗ ΔSD. RESULTS Fifty patients were included. Anchor-based approaches MCID ranges were PROMIS-PF 1.1-9.6, SF-12 PCS 6.4-16.5, VR-12 PCS 5.9-12.9, VAS Back 1.4-4.6, and VAS Leg 1.3-4.3. The area under curve for receiver operating characteristics (ROC) analysis ranged from 0.63 to 0.71. Distribution-based MCID ranges were PROMIS-PF 1.4-4.5, SF-12 PCS 1.9-12.7, VR-12 PCS 2.0-6.6, VAS Back 0.4-1.4, and VAS Leg 0.5-2.0. CONCLUSION MCID thresholds varied widely depending on the calculation method. The closest to (0,1) ROC approach was the most clinically appropriate MCID calculation. The corresponding MCID values for LLIF were PROMIS-PF at 7.8, SF-12 PCS at 6.4, VR-12 PCS at 9.3, VAS Back at 4.6, and VAS Leg at 4.3.
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Nie JW, Hartman TJ, Oyetayo OO, MacGregor KR, Zheng E, Singh K. Pain Interference Influence on Postoperative Clinical Trajectory in Patients Undergoing Lumbar Decompression. World Neurosurg 2023; 169:e270-e278. [PMID: 36334716 DOI: 10.1016/j.wneu.2022.10.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Newer Patient-Reported Outcomes (PROs) may offer benefits over legacy PROs in ease of administration and interpretation. We aim to study the influence of preoperative pain interference (PI) using the Patient-Reported Outcomes Measurement Information System (PROMIS) Pain Interference (PROMIS-PI) on postoperative clinical outcomes in patients undergoing lumbar decompression. METHODS Patients undergoing lumbar decompression without fusion were separated into 2 cohorts: PROMIS-PI < 64 (lesser PI) and PROMIS-PI ≥ 64 (greater PI). PROs included PROMIS physical function, PROMIS anxiety (PROMIS-A), PROMIS sleep disturbance (PROMIS-SD), PROMIS-PI, Patient Health Questionnaire-9, Visual Analog Scale (VAS) back, VAS leg, and Oswestry Disability Index (ODI) and were collected at preoperative and postoperative time points. Demographics, perioperative characteristics, PROs, and Minimum Clinically Important Difference (MCID) were compared among groups through non-parametric inferential statistics. RESULTS One-hundred and seven patients were identified. Independent of preoperative PI, patients reported significant postoperative improvement in PROMIS physical function, PROMIS-A, PROMIS-PI, VAS back, VAS leg, and ODI. The greater PI cohort reported significant postoperative improvement in Patient Health Questionnaire-9 and PROMIS-SD. The lesser PI cohort reported superior preoperative PROs in all domains. Postoperatively, the lesser PI cohort reported superior 6-week PROMIS-A and PROMIS-SD. MCID achievement rates were higher in the greater PI cohort for PROMIS-PI, VAS back, VAS leg, and ODI. CONCLUSIONS Patients with lower preoperative PI reported superior postoperative anxiety and sleep disturbance. Patients with greater preoperative PI had higher MCID achievement rates in PI, pain, and disability. Patients with greater preoperative PI undergoing lumbar decompression may demonstrate higher rates of clinically tangible improvement.
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Nie JW, Hartman TJ, Oyetayo OO, MacGregor KR, Zheng E, Parsons AW, Massel DH, Sarari AJ, Singh K. Impact of preoperative symptom duration in patients undergoing lateral lumbar interbody fusion. Acta Neurochir (Wien) 2023; 165:89-97. [PMID: 36564650 DOI: 10.1007/s00701-022-05436-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 11/21/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Few studies have examined the influence of preoperative symptom duration on clinical outcomes in patients undergoing lateral lumbar interbody fusion (LLIF) for degenerative conditions. METHODS Patients undergoing LLIF presenting with radiculopathy and/or neurogenic claudication were separated into two groups: preoperative symptom duration < 1-year (shorter duration) versus duration ≥ 1-year (longer duration). Patients undergoing surgery for trauma/malignancy/infection were excluded. Patient-reported outcome measures (PROMs) of Patient-Reported Outcomes Measurement Information System-Physical Function (PROMIS-PF), 12-Item Short Form Physical/Mental Component Score (SF-12 PCS/MCS), Patient Health Questionnaire-9 (PHQ-9), visual analog scale (VAS) back/leg, and Oswestry Disability Index (ODI) were collected at preoperative and postoperative time points. RESULTS Eighty-two total patients, with 34 shorter-duration patients, were identified after propensity score matching for demographics. Longer-duration patients had higher estimated blood loss. All patients reported significant improvement in physical function, mental function, pain, and disability in at least one postoperative time point, except for SF-12 MCS in the shorter duration cohort. The longer duration cohort had higher MCID achievement in 12-week VAS back. CONCLUSION Patients undergoing LLIF demonstrated significant postoperative improvement in physical function, mental function, pain, and disability outcomes independent of preoperative symptom duration. Both cohorts, when compared by preoperative symptom duration, demonstrated similar postoperative PROM scores. Patients with longer preoperative symptom duration had higher 12-week leg pain MCID achievement. These findings suggest that delayed time to surgery may not lead to inferior clinical outcomes in patients undergoing LLIF for degenerative conditions.
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Patel MR, Jacob KC, Chavez FA, Parsons AW, Seetharaman M, Pawlowski H, Prabhu MC, Vanjani NN, Singh K. Impact of Postoperative Length of Stay on Patient-Reported and Clinical Outcomes After Anterior Lumbar Interbody Fusion. Int J Spine Surg 2022; 17:205-214. [PMID: 37085322 PMCID: PMC10165643 DOI: 10.14444/8414] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Existing literature has not yet evaluated the impact of postoperative length of stay (LOS) on patient-reported outcome measures (PROMs) and minimum clinically important difference (MCID) in patients undergoing anterior lumbar interbody fusion (ALIF). The authors investigates the influence of postoperative LOS following ALIF on PROMs and MCID achievement rates. METHODS A single-surgeon database was retrospectively reviewed for patients undergoing single-level ALIF. The following 2 cohorts were studied: patients with LOS <45 hours and patients with LOS ≥45 hours. The following PROMs were recorded at preoperative and 6-week, 12-week, 6-month, 1-year, and 2-year postoperative timepoints: visual analog scale (VAS) back and leg, Oswestry Disability Index (ODI), 12-item short form (SF-12) physical composite score (PCS), and patient-reported outcome measurement information system physical function. MCID achievement was compared by LOS grouping using χ 2 analysis. The rates of complications by LOS grouping and the relative risk among demographic and perioperative characteristics for a longer hospital stay of ≥45 hours were calculated. RESULTS A total of 52 subjects were included in each cohort. LOS ≥45 hours demonstrated worse ODI at 6 weeks and SF-12 PCS preoperative and at 12 weeks (P ≤ 0.026, all). LOS <45 hours demonstrated greater MCID rates for all PROMs except VAS back (P ≤ 0.004, all). Postoperative urinary retention (POUR), fever, and total complications (P ≤ 0.003, all) were associated with increased LOS. Diabetes (P = 0.037), preoperative VAS neck ≥7 (P = 0.012), and American Society of Anesthesiologists classification ≥2 (P = 0.003) served as preoperative risk factors for postoperative stay ≥45 hours. CONCLUSION Following single-level ALIF, patients with shorter LOS demonstrated significantly greater overall MCID achievement for most PROMs. POUR, fever, and total complications were associated with longer LOS and greater blood loss. Diabetes and higher preoperative leg pain were identified as risk factors for longer LOS. CLINICAL RELEVANCE Patients undergoing ALIF with shorter LOS had greater MCID achievement for disability, physical function, and leg pain outcomes. Patients with greater preoperative leg pain and diabetes may be at risk for longer LOS. LEVEL OF EVIDENCE: 3
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Koroma A, Singh K, Wlaschek M, Scharffetter-Kochanek K, Maity P. 345 Impaired Senescent Fibroblast Clearance by NK Cells During Skin Aging. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.09.358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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