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Predictors of Adverse Outcomes Following Surgical Intervention for Cervical Spondylotic Myelopathy
Predictors of Adverse Outcomes Following Surgical Intervention for Cervical Spondylotic My...
Predictors of Adverse Outcomes Following Surgical Intervention for Cervical Spondylotic Myelopathy

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자료유형  
 학위논문 서양
최종처리일시  
20250211150929
ISBN  
9798382321905
DDC  
610
저자명  
Craft, Samuel Brunet.
서명/저자  
Predictors of Adverse Outcomes Following Surgical Intervention for Cervical Spondylotic Myelopathy
발행사항  
[Sl] : Yale University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
86 p
주기사항  
Source: Dissertations Abstracts International, Volume: 85-11, Section: B.
주기사항  
Advisor: Elsamadicy, Aladine A.;DiLuna, Michael.
학위논문주기  
Thesis (M.D.)--Yale University, 2024.
초록/해제  
요약As hospital costs associated with spine surgeries continue to climb, length of stay (LOS) and discharge disposition have been utilized as proxies through which these increasing costs can be assessed. Cervical spondylotic myelopathy (CSM) is the most common spinal pathology among older adults. As a result, studies assessing drivers of increased costs, LOS, and discharge disposition following surgery for CSM are needed. Two factors of interest are psychiatric comorbidities and safety net hospital (SNH) status. Psychiatric disorders are common and can have a profound impact on health, while SNHs serve a large proportion of patients with Medicaid or without insurance. However, the relationships between PD and SNH statuses and outcomes following anterior cervical discectomy and fusion (ACDF) or posterior cervical decompression and fusion (PCDF) for CSM have been previously understudied. The aim of this study was to assess the association between psychiatric comorbidities and SNH status and LOS, non-routine discharge disposition, and costs of hospital admission following ACDF or PCDF for CSM.A retrospective cohort study was performed using the 2016-2019 National Inpatient Sample (NIS) database. All adult patients (≥18 years old) undergoing ACDF or PCDF for CSM were identified using International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) coding. Two cohorts were generated. One comprised patients stratified by whether they presented with comorbid psychiatric conditions, while the other comprised patients stratified by SNH status of the treating hospital. Hospitals in the top quartile of Medicaid/uninsured patient admissions were defined as SNHs while all other hospitals were defined as Non-SNHs (N-SNHs). Patient demographics, hospital characteristics, comorbidities, operative variables, adverse events (AEs), LOS, discharge disposition, and admission costs were assessed. Multivariate analyses were performed to identify associations between preoperative psychiatric diagnoses or SNH status and LOS, non-routine discharge disposition, and costs.The psychiatric comorbidity cohort consisted of 49,950 study patients. Of these patients, 34,195 (68.5%) underwent ACDF and 15,755 (31.5%) underwent PCDF. Within the ACDF and PCDF cohorts, 9,485 (27.7%) and 4,085 (25.9%) patients presented with comorbid psychiatric diagnoses, respectively. Mean LOS was significantly greater in the psychiatric comorbidity cohorts among patients undergoing both procedures (ACDF: No PD: 2.47 ± 3.42 days vs PD: 2.76 ± 3.32 days, p=0.002; PCDF: No PD: 4.46 ± 5.81 days vs PD: 5.14 ± 5.65 days, p=0.003). Patients with psychiatric comorbidities undergoing PCDF incurred greater mean costs (No PD: $26,079 ± $21,652 vs PD: $28,275 ± $18,147, p=0.004), and a significantly greater proportion of patients in the PCDF psychiatric comorbidity cohort had non-routine discharges (No PD: 32.0% vs PD: 39.2%, p=0.001). Within the ACDF cohort, mean admission costs (p=0.153) and discharge disposition (p=0.548) were similar. On multivariate analysis for ACDF, having a comorbid psychiatric condition was significantly associated with extended LOS [aOR: 1.52, CI (1.28, 1.79), p0.001] and with non-routine discharge [aOR: 1.21, CI (1.01, 1.46), p=0.043], but not with increased costs [p=0.563]. On multivariate analysis for PCDF, having a comorbid psychiatric condition was significantly associated with extended LOS [aOR: 1.32, CI (1.06, 1.64), p=0.012] and with non-routine discharge [aOR: 1.54, CI (1.27, 1.88), p0.001], but not with increased costs [p=0.347]. The SNH cohort comprised 49,945 patients. Of these patients, 34,195 (68.5%) underwent ACDF and 15,750 (31.5%) underwent PCDF. Within the ACDF cohort, 8,025 patients (23.5%) were treated at SNHs. Among patients undergoing PCDF, 4,120 (26.2%) were treated at SNHs. Patients treated at SNHs were more likely to be Black- or Hispanic identifying and have incomes in the bottom quartile in both cohorts. Number of comorbidities, operative variables, and number of complications were each similar between SNH and N-SNH cohorts for patients undergoing ACDF and PCDF. Mean LOS was significantly greater in the SNH cohorts for both procedures (ACDF: N-SNH: 2.43 ± 3.12 days vs SNH: 2.94 ± 4.13 days, p0.001; PCDF: N-SNH: 4.36 ± 4.28 days vs SNH: 5.41 ± 8.67 days, p=0.002), as were mean costs (ACDF: N-SNH: $20,991 ± $12,126 vs SNH: $22,412 ± $15,302, p=0.010; PCDF: N-SNH: $25,835 ± $16,812 vs SNH: $28,945 ± $29,166, p=0.010). A significantly greater proportion of patients in the ACDF cohort treated at SNHs experienced non-routine discharges (N-SNH: 10.9% vs SNH: 13.9%, p=0.006). On multivariate analysis for both procedures, SNH status was not significantly associated with extended LOS [ACDF: p=0.097; PCDF: p=0.158], with non-routine discharge [ACDF: p=0.288; PCDF: p=0.246], or with increased costs [ACDF: p=0.664; PCDF: p=0.593]. Our study found that preoperative psychiatric diagnoses were significantly associated with increased odds of prolonged LOS and non-routine discharge but not with increased costs on multivariate analysis for ACDF and PCDF. Additionally, our results demonstrated that SNH status may not significantly impact postoperative outcomes following ACDF or PCDF for CSM. Further studies assessing interventions to mitigate these outcome disparities in patients with psychiatric comorbidities are needed.
일반주제명  
Medicine
일반주제명  
Health sciences
일반주제명  
Surgery
키워드  
Cervical spondylotic myelopathy
키워드  
Spine surgeries
키워드  
Safety net hospital
키워드  
Hospital costs
키워드  
Preoperative psychiatric diagnoses
기타저자  
Yale University Yale School of Medicine
기본자료저록  
Dissertations Abstracts International. 85-11B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aCraft,  Samuel  Brunet.
■24510▼aPredictors  of  Adverse  Outcomes  Following  Surgical  Intervention  for  Cervical  Spondylotic  Myelopathy
■260    ▼a[Sl]▼bYale  University▼c2024
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■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-11,  Section:  B.
■500    ▼aAdvisor:  Elsamadicy,  Aladine  A.;DiLuna,  Michael.
■5021  ▼aThesis  (M.D.)--Yale  University,  2024.
■520    ▼aAs  hospital  costs  associated  with  spine  surgeries  continue  to  climb,  length  of  stay  (LOS)  and  discharge  disposition  have  been  utilized  as  proxies  through  which  these  increasing  costs  can  be  assessed.  Cervical  spondylotic  myelopathy  (CSM)  is  the  most  common  spinal  pathology  among  older  adults.  As  a  result,  studies  assessing  drivers  of  increased  costs,  LOS,  and  discharge  disposition  following  surgery  for  CSM  are  needed.  Two  factors  of  interest  are  psychiatric  comorbidities  and  safety  net  hospital  (SNH)  status.  Psychiatric  disorders  are  common  and  can  have  a  profound  impact  on  health,  while  SNHs  serve  a  large  proportion  of  patients  with  Medicaid  or  without  insurance.  However,  the  relationships  between  PD  and  SNH  statuses  and  outcomes  following  anterior  cervical  discectomy  and  fusion  (ACDF)  or  posterior  cervical  decompression  and  fusion  (PCDF)  for  CSM  have  been  previously  understudied.  The  aim  of  this  study  was  to  assess  the  association  between  psychiatric  comorbidities  and  SNH  status  and  LOS,  non-routine  discharge  disposition,  and  costs  of  hospital  admission  following  ACDF  or  PCDF  for  CSM.A  retrospective  cohort  study  was  performed  using  the  2016-2019  National  Inpatient  Sample  (NIS)  database.  All  adult  patients  (≥18  years  old)  undergoing  ACDF  or  PCDF  for  CSM  were  identified  using  International  Classification  of  Diseases,  Tenth  Revision,  Clinical  Modification  (ICD-10-CM)  coding.  Two  cohorts  were  generated.  One  comprised  patients  stratified  by  whether  they  presented  with  comorbid  psychiatric  conditions,  while  the  other  comprised  patients  stratified  by  SNH  status  of  the  treating  hospital.  Hospitals  in  the  top  quartile  of  Medicaid/uninsured  patient  admissions  were defined  as  SNHs  while  all  other  hospitals  were  defined  as  Non-SNHs  (N-SNHs).  Patient  demographics,  hospital  characteristics,  comorbidities,  operative  variables,  adverse  events  (AEs),  LOS,  discharge  disposition,  and  admission  costs  were  assessed.  Multivariate  analyses  were  performed  to  identify  associations  between  preoperative  psychiatric  diagnoses  or  SNH  status  and  LOS,  non-routine  discharge  disposition,  and  costs.The  psychiatric  comorbidity  cohort  consisted  of  49,950  study  patients.  Of  these  patients,  34,195  (68.5%)  underwent  ACDF  and  15,755  (31.5%)  underwent  PCDF.  Within  the  ACDF  and  PCDF  cohorts,  9,485  (27.7%)  and  4,085  (25.9%)  patients  presented  with  comorbid  psychiatric  diagnoses,  respectively.  Mean  LOS  was  significantly  greater  in  the  psychiatric  comorbidity  cohorts  among  patients  undergoing  both  procedures  (ACDF:  No  PD:  2.47  ±  3.42  days  vs  PD:  2.76  ±  3.32  days,  p=0.002;  PCDF:  No  PD:  4.46  ±  5.81  days  vs  PD:  5.14  ±  5.65  days,  p=0.003).  Patients  with  psychiatric  comorbidities  undergoing  PCDF  incurred  greater  mean  costs  (No  PD:  $26,079  ±  $21,652  vs  PD:  $28,275  ±  $18,147,  p=0.004),  and  a  significantly  greater  proportion  of  patients  in  the  PCDF  psychiatric  comorbidity  cohort  had  non-routine  discharges  (No  PD:  32.0%  vs  PD:  39.2%,  p=0.001).  Within  the  ACDF  cohort,  mean  admission  costs  (p=0.153)  and  discharge  disposition  (p=0.548)  were  similar.  On  multivariate  analysis  for  ACDF,  having  a  comorbid  psychiatric  condition  was  significantly  associated  with  extended  LOS  [aOR:  1.52,  CI  (1.28,  1.79),  p0.001]  and  with  non-routine  discharge  [aOR:  1.21,  CI  (1.01,  1.46),  p=0.043],  but  not  with  increased  costs  [p=0.563].  On  multivariate  analysis  for  PCDF,  having  a  comorbid  psychiatric  condition  was  significantly  associated  with  extended  LOS  [aOR:  1.32,  CI  (1.06,  1.64),  p=0.012]  and  with  non-routine  discharge  [aOR:  1.54,  CI  (1.27,  1.88),  p0.001],  but  not  with  increased  costs  [p=0.347]. The  SNH  cohort  comprised  49,945  patients.  Of  these  patients,  34,195  (68.5%)  underwent  ACDF  and  15,750  (31.5%)  underwent  PCDF.  Within  the  ACDF  cohort,  8,025  patients  (23.5%)  were  treated  at  SNHs.  Among  patients  undergoing  PCDF,  4,120  (26.2%)  were  treated  at  SNHs.  Patients  treated  at  SNHs  were  more  likely  to  be  Black-  or  Hispanic  identifying  and  have  incomes  in  the  bottom  quartile  in  both  cohorts.  Number  of  comorbidities,  operative  variables,  and  number  of  complications  were  each  similar  between  SNH  and  N-SNH  cohorts  for  patients  undergoing  ACDF  and  PCDF.  Mean  LOS  was  significantly  greater  in  the  SNH  cohorts  for  both  procedures  (ACDF:  N-SNH:  2.43  ±  3.12  days  vs  SNH:  2.94  ±  4.13  days,  p0.001;  PCDF:  N-SNH:  4.36  ±  4.28  days  vs  SNH:  5.41  ±  8.67  days,  p=0.002),  as  were  mean  costs  (ACDF:  N-SNH:  $20,991  ±  $12,126  vs  SNH:  $22,412  ±  $15,302,  p=0.010;  PCDF:  N-SNH:  $25,835  ±  $16,812  vs  SNH:  $28,945  ±  $29,166,  p=0.010).  A  significantly  greater  proportion  of  patients  in  the  ACDF  cohort  treated  at  SNHs  experienced  non-routine  discharges  (N-SNH:  10.9%  vs  SNH:  13.9%,  p=0.006).  On  multivariate  analysis  for  both  procedures,  SNH  status  was  not  significantly  associated  with  extended  LOS  [ACDF:  p=0.097;  PCDF:  p=0.158],  with  non-routine  discharge  [ACDF:  p=0.288;  PCDF:  p=0.246],  or  with  increased  costs  [ACDF:  p=0.664;  PCDF:  p=0.593]. Our  study  found  that  preoperative  psychiatric  diagnoses  were  significantly  associated  with  increased  odds  of  prolonged  LOS  and  non-routine  discharge  but  not  with  increased  costs  on  multivariate  analysis  for  ACDF  and  PCDF.  Additionally,  our  results  demonstrated  that  SNH  status  may  not  significantly  impact  postoperative  outcomes  following  ACDF  or  PCDF  for  CSM.  Further  studies  assessing  interventions  to  mitigate  these  outcome  disparities  in  patients  with  psychiatric  comorbidities  are  needed.
■590    ▼aSchool  code:  0265.
■650  4▼aMedicine
■650  4▼aHealth  sciences
■650  4▼aSurgery
■653    ▼aCervical  spondylotic  myelopathy
■653    ▼aSpine  surgeries
■653    ▼aSafety  net  hospital
■653    ▼aHospital  costs
■653    ▼aPreoperative  psychiatric  diagnoses
■690    ▼a0564
■690    ▼a0566
■690    ▼a0576
■690    ▼a0769
■71020▼aYale  University▼bYale  School  of  Medicine.
■7730  ▼tDissertations  Abstracts  International▼g85-11B.
■790    ▼a0265
■791    ▼aM.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17160187▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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