Analysis of Individual Risk Factors in Ventral Hernia Repair Outcomes

 
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Delaney D. Ding
Celeste Yergin, PhD
Robert Tamer, MPH, MPA
Mazen R. Al-Mansour, MBBS, FACS
 
Disclosures
 
This work was supported by the 2022 Resident and
Fellow Research Grant from the Abdominal Core Health
Quality Collaborative (ACHQC)
 
Background
 
Ventral hernia repair (VHR)
complication risk factors
 
Aim and Hypothesis
 
Quantify
 and compare the influence of
numerous risk factors on VHR
complications for ACHQC patients
 
We hypothesize that hernia- and
procedure-specific factors are more
predictive of surgical outcomes compared
to patient-specific risk factors.
 
Methods
 
Ret
 
Adults, Elective VHR, 30-day
follow-up completed
 
Primary outcome: overall 30-day
postoperative complications
 
Area under the curve (AUC) of
the receiver operator curve
 
 
 
 
Area Under
Curve (AUC)
 
Patient characteristics
 
 
 
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Hernia characteristics
 
 
 
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Operative Details
 
 
 
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Results
 
 
 
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Results
 
 
 
 
AUC ≥ 0.60:
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Drain use
Myofascial
Release
ASA class
Mesh position
Incisional
hernia
 
 
Conclusions
 
>
>
Conclusions
Most 
individual
 risk factors were poorly associated with VHR
complications
Assessment of VHR complication risk should not rely on a
single risk factor
 
Limitations
 
Sampling bias
 
ACHQC is designed to measure outcomes of VHR, but not
watchful waiting
 
Long-term outcomes (e.g. recurrence) were not evaluated
 
Acknowledgments
 
Co-authors
Dr. Celeste Yergin
Robert Tamer
Dr. Mazen Al-Mansour (#Mentor)
ACHQC
 
 
 
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This study explores the impact of various risk factors on predicting adverse outcomes of ventral hernia repair using data from the Abdominal Core Health Quality Collaborative (ACHQC). The research aims to quantify and compare the influence of different factors, hypothesizing that hernia- and procedure-specific factors are more predictive than patient-specific factors. Detailed analyses of patient and hernia characteristics, operative details, and methodologies are presented, shedding light on the complexities surrounding surgical outcomes in elective ventral hernia repair.

  • Ventral Hernia Repair
  • Risk Factors
  • Surgical Outcomes
  • Abdominal Core Health Quality Collaborative
  • Research Analysis

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  1. Assessing the Impact of Individual Risk Factors in Predicting Adverse Outcomes of Ventral Hernia Repair: An ACHQC Analysis Delaney D. Ding Celeste Yergin, PhD Robert Tamer, MPH, MPA Mazen R. Al-Mansour, MBBS, FACS

  2. Disclosures This work was supported by the 2022 Resident and Fellow Research Grant from the Abdominal Core Health Quality Collaborative (ACHQC)

  3. Background Patient Ventral hernia repair (VHR) complication risk factors Hernia Procedural

  4. Aim and Hypothesis Quantify and compare the influence of numerous risk factors on VHR complications for ACHQC patients We hypothesize that hernia- and procedure-specific factors are more predictive of surgical outcomes compared to patient-specific risk factors.

  5. Methods Ret Area Under Curve (AUC) Adults, Elective VHR, 30-day follow-up completed Primary outcome: overall 30-day postoperative complications Area under the curve (AUC) of the receiver operator curve

  6. Patient characteristics Elective VHR (n=35,108) Age, median (IQR) year 57 (46, 67) Male, n (%) 18,524 (53) BMI, median (IQR) kg/m2* 31 (27,36) ASA class, n (%) 1 2 3 4 5 3,062 (10) 15,083 (43) 16,098 (46) 716 (2) 5 (0.0)

  7. Hernia characteristics Elective VHR (n=35,108) 9,097 (26) Recurrent hernia, n (%) Ventral hernia type, n (%) Incisional Parastomal Epigastric Umbilical Other (Spigelian, Lumbar, Diastasis Recti) 21,353 (61) 1,723 (5) 2,412 (7) 10,069 (29) 826 (2) Hernia width, median (IQR) cm 4 (2,9) Hernia length, median (IQR) cm 5 (2,15)

  8. Operative Details Elective VHR (n=35,108) Clean, n (%) 30,985 (88) Open, n (%) 21,998 (64) Myofascial release, n (%) 11,813 (35) Mesh position, n (%) Inlay Onlay Sublay intraperitoneal 806 (3) 1,814 (6) 8,927 (31) 5,981 (21) 11,493 (40) Sublay preperitoneal Sublay retromuscular Surgeon affiliation, n (%) Academic Private Private with academic affiliation 22,290 (64) 8,665 (25) 4,144 (12)

  9. Results Elective VHR (n=35,108) Complications, n (%) 5,611 (16) Wound complications, n (%) Surgical site infection Surgical site occurrence (SSO) SSO requiring procedural intervention 988 (3) 2,850 (8) 1,333 (4) Readmission, n (%) 1,245 (4) Reoperation, n (%) 488 (1) Mortality, n (%) 50 (0.0)

  10. Results AUC 0.60: Defect width Defect length Drain use Myofascial Release ASA class Mesh position Incisional hernia

  11. Conclusions >

  12. Conclusions Most individual risk factors were poorly associated with VHR complications Assessment of VHR complication risk should not rely on a single risk factor

  13. Limitations Sampling bias ACHQC is designed to measure outcomes of VHR, but not watchful waiting Long-term outcomes (e.g. recurrence) were not evaluated

  14. Acknowledgments Co-authors Dr. Celeste Yergin Robert Tamer Dr. Mazen Al-Mansour (#Mentor) ACHQC

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