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Impact of Endoscopic Assessment and
  Treatment on Operative and Non-
   operative Management of Acute
      Oesophageal Perforation
                        M.K.Kuppuswamy , C.Felisky ,et al.
Department of Surgery and Gastroenterology, Virginia Mason Medical Center , Seattle
                               , Washington ,USA.




                Presenter : Dr. Sumit Sudhir Hadgaonkar
                     Moderator : Dr. A.D. Sharma
Introduction
• Oesophageal perforation is a complex and highly
  morbid emergency.

• Mortality rate range from 6 to 65 percent.

• Recent publications show improved mortality rate
  in specialized centers.

• Improvement reflects new approaches to
  diagnosis and assessment such as CT
  scan, Interventional radiology techniques and
  minimally invasive surgical techniques.
• Upper gastrointestinal endoscopy for diagnosis and
  management of acute oesophageal perforation has not
  been typically used.

• Endoscopic techniques now form a recognized
  component in the management of oesophageal
  perforation.

• But in many centers their use is confined to initial
  assessment or any endoscopic therapy only.

• This study assessed the evolution of endoscopic
  approaches and their effect on outcome over time in acute
  oesophageal perforation.
Materials and methods:
Enrollment of patients:

All patients presenting or referred to Virginia Mason
   Medical Centre, Seattle. between April 1990 to May
   2009 with esophageal perforation.

It was done prospectively in Institutional review board
   approved data base.
Study population:

• All patients of esophageal perforation in
  whom endoscopy was used.
1. As primary diagnostic technique
2. In conjunction with surgical therapy
3. To provide primary non-operative treatment

Study type: Descriptive
Inclusion criteria:
• All patients with spontaneous or iatrogenic
  esophageal perforation.


Exclusion criteria:
• Patients with fistulation secondary to esophageal
  cancer.
Statistical analysis:

• Group characteristics were compared using ANOVA
  and Pearson’s X2 test.

• SPSS version 18 was used.

• Descriptive methods were used to evaluate clinical
  characteristics , management and outcome.
Results:
• 81 patients having perforation were treated between
  April 1990 to May 2009.

• 52 had endoscopy, 12 as diagnostic and 40 as
  therapeutic.

• 29 did not undergo endoscopy.

• 48 patients undergone surgical treatment.

• 33 patients were managed without surgery.
Patient characteristics
                All perforation   Endoscopy   No endoscopy   P value

1. No. of       81                52          29
patients
2. Age          63.7              63.6        63.9           0.94

3. ASA grade III 55               37          18             0.402
- IV
4. Time to      29.6              31.2        26.2           0.690
treatment
(hours)
5. Time to
diagnosis                                                    0.564
< 24hours       64                41          23

>24hours        17                11          6

6. Length of    19.7              18.9        21             0.6
stay(days)
Presenting characteristics of patients who had
                         endoscopy
                                  No. of patients (52)

1.   Cause
a.   Iatrogenic                   26
b.   Barogenic                    19
c.   Other                        07

2. Location
a. Distil third and GE junction   35
b. Proximal third                 09
c. Middle third                   08

3. Size
a. <1cm                           12
b. >1-≤3                          15
c. >3                             10
d. Unknown                        15
Surgical group:
• 28 patients out off 48 who had surgical treatment
  endoscopy was used.
• 19 out off 28 patient’s endoscopy assessment took
  place in OT immediately before surgery.
Non-surgical group:
• In 24 out off 33 patients endoscopy was used.
• 15 patients out off 24 had primary endoscopic
  therapy.
• 9 were managed without endoscopic or surgical
  intervention.
Impact of endoscopy
                                          No. of patients (21)

1.Additional secondary pathology          10
a. Additional perforation                 2
b. Distal benign stricture                6
c. Undiagnosed cancer                     2

2.Treatment of secondary pathology        6
a. Balloon dilatation                     4
b. Stent placement                        2



3. Stent and drain management             6
a. Nasomediastinal drain                  2
b. Nasojejunal tube placement             2
c. Previous stent removal                 2

4. Change in the initial treatment plan   5
a. No repair                              3
b. Resection                              1
c. Diversion                              1
• Compared with rest of the surgical group , patients
  undergoing intra-operative endoscopy had a significantly
  higher rate of primary repair (16 of 19 versus 19 of 29
  ;p=0.003) and shorter mean length of stay.

• There were 2 deaths at 30 days or at any time in hospital
  among 52 patients who had endoscopic assessment and
  management .

• Mean length of stay improved from 21.8 days in initial 5
  years to 13.4 days in final 5 years.

• No recognized complication was directly associated with
  endoscopic assessment or treatment.
Discussion
• Initial perception that endoscopy increases
  mediastinal contamination has never been
  documented.



• Also its widely considered irrelevant when
  procedural rules are accepted.
Discussion (cont.)
General points emerged during study
  evolution:
1. When done with surgical repair endoscopic
   assessment best done after GA induction.
2. Air insufflation minimal but visibility is also
   critical.
3. Endoscopic viability of mucosa is more
   important than 24 hour time frame.
4. Endoscope if left in place after initial
    assessment can guide intraoperative therapy
    such as;
a) suitability for stents, clips and transesophageal
    drainage.
b) guide towards mucosal perforation when managing
    delayed perforation.
c) can guide repair suture
d) can be used to insufflate esophagus to test primary
    repair.
Limitations of study:
• Patients with endoscopy had higher ASA and
  more likely had delayed management – not
  used for straight forward cases.

• Statistical p value given only in surgical group.

• Non uniform use of endoscopy over 19 years (
  4 of 13 in first 5 years to 20 of 24 in last 5
  years)
Conclusion:
• Endoscopy will be used increasingly in assessment
  and primary management.

• Its safe and provides additional information that
  modifies treatment.

• Wider use should result in improved outcome.
Thank you

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Impact of Endoscopic Assessment on Outcomes of Esophageal Perforation

  • 1. Impact of Endoscopic Assessment and Treatment on Operative and Non- operative Management of Acute Oesophageal Perforation M.K.Kuppuswamy , C.Felisky ,et al. Department of Surgery and Gastroenterology, Virginia Mason Medical Center , Seattle , Washington ,USA. Presenter : Dr. Sumit Sudhir Hadgaonkar Moderator : Dr. A.D. Sharma
  • 2. Introduction • Oesophageal perforation is a complex and highly morbid emergency. • Mortality rate range from 6 to 65 percent. • Recent publications show improved mortality rate in specialized centers. • Improvement reflects new approaches to diagnosis and assessment such as CT scan, Interventional radiology techniques and minimally invasive surgical techniques.
  • 3. • Upper gastrointestinal endoscopy for diagnosis and management of acute oesophageal perforation has not been typically used. • Endoscopic techniques now form a recognized component in the management of oesophageal perforation. • But in many centers their use is confined to initial assessment or any endoscopic therapy only. • This study assessed the evolution of endoscopic approaches and their effect on outcome over time in acute oesophageal perforation.
  • 4. Materials and methods: Enrollment of patients: All patients presenting or referred to Virginia Mason Medical Centre, Seattle. between April 1990 to May 2009 with esophageal perforation. It was done prospectively in Institutional review board approved data base.
  • 5. Study population: • All patients of esophageal perforation in whom endoscopy was used. 1. As primary diagnostic technique 2. In conjunction with surgical therapy 3. To provide primary non-operative treatment Study type: Descriptive
  • 6. Inclusion criteria: • All patients with spontaneous or iatrogenic esophageal perforation. Exclusion criteria: • Patients with fistulation secondary to esophageal cancer.
  • 7. Statistical analysis: • Group characteristics were compared using ANOVA and Pearson’s X2 test. • SPSS version 18 was used. • Descriptive methods were used to evaluate clinical characteristics , management and outcome.
  • 8. Results: • 81 patients having perforation were treated between April 1990 to May 2009. • 52 had endoscopy, 12 as diagnostic and 40 as therapeutic. • 29 did not undergo endoscopy. • 48 patients undergone surgical treatment. • 33 patients were managed without surgery.
  • 9. Patient characteristics All perforation Endoscopy No endoscopy P value 1. No. of 81 52 29 patients 2. Age 63.7 63.6 63.9 0.94 3. ASA grade III 55 37 18 0.402 - IV 4. Time to 29.6 31.2 26.2 0.690 treatment (hours) 5. Time to diagnosis 0.564 < 24hours 64 41 23 >24hours 17 11 6 6. Length of 19.7 18.9 21 0.6 stay(days)
  • 10. Presenting characteristics of patients who had endoscopy No. of patients (52) 1. Cause a. Iatrogenic 26 b. Barogenic 19 c. Other 07 2. Location a. Distil third and GE junction 35 b. Proximal third 09 c. Middle third 08 3. Size a. <1cm 12 b. >1-≤3 15 c. >3 10 d. Unknown 15
  • 11. Surgical group: • 28 patients out off 48 who had surgical treatment endoscopy was used. • 19 out off 28 patient’s endoscopy assessment took place in OT immediately before surgery. Non-surgical group: • In 24 out off 33 patients endoscopy was used. • 15 patients out off 24 had primary endoscopic therapy. • 9 were managed without endoscopic or surgical intervention.
  • 12. Impact of endoscopy No. of patients (21) 1.Additional secondary pathology 10 a. Additional perforation 2 b. Distal benign stricture 6 c. Undiagnosed cancer 2 2.Treatment of secondary pathology 6 a. Balloon dilatation 4 b. Stent placement 2 3. Stent and drain management 6 a. Nasomediastinal drain 2 b. Nasojejunal tube placement 2 c. Previous stent removal 2 4. Change in the initial treatment plan 5 a. No repair 3 b. Resection 1 c. Diversion 1
  • 13. • Compared with rest of the surgical group , patients undergoing intra-operative endoscopy had a significantly higher rate of primary repair (16 of 19 versus 19 of 29 ;p=0.003) and shorter mean length of stay. • There were 2 deaths at 30 days or at any time in hospital among 52 patients who had endoscopic assessment and management . • Mean length of stay improved from 21.8 days in initial 5 years to 13.4 days in final 5 years. • No recognized complication was directly associated with endoscopic assessment or treatment.
  • 14. Discussion • Initial perception that endoscopy increases mediastinal contamination has never been documented. • Also its widely considered irrelevant when procedural rules are accepted.
  • 15. Discussion (cont.) General points emerged during study evolution: 1. When done with surgical repair endoscopic assessment best done after GA induction. 2. Air insufflation minimal but visibility is also critical. 3. Endoscopic viability of mucosa is more important than 24 hour time frame.
  • 16. 4. Endoscope if left in place after initial assessment can guide intraoperative therapy such as; a) suitability for stents, clips and transesophageal drainage. b) guide towards mucosal perforation when managing delayed perforation. c) can guide repair suture d) can be used to insufflate esophagus to test primary repair.
  • 17. Limitations of study: • Patients with endoscopy had higher ASA and more likely had delayed management – not used for straight forward cases. • Statistical p value given only in surgical group. • Non uniform use of endoscopy over 19 years ( 4 of 13 in first 5 years to 20 of 24 in last 5 years)
  • 18. Conclusion: • Endoscopy will be used increasingly in assessment and primary management. • Its safe and provides additional information that modifies treatment. • Wider use should result in improved outcome.