Updates in Management of Non-Variceal Bleeding Justin CY Wu Professor, Department of Medicine & Therapeutics, Institute of Digestive Disease, The Chinese University of Hong Kong Acute upper GI bleeding Bleeding peptic ulcers Primary Surgical Hemostasis 1970 - 1980’s 2 Primary Endoscopic Hemostasis 1990’s Cook et al. Gastroenterology 1992 Visible vessel (IIa) Spurting (Ia) Adherent clot (IIb) Oozing (Ib) Clean base (III) Endoscopic stigmata Forrest Prevalence Risks of rebleeding w/o therapy Acute Spurter Ia 18% ~ 100% Acute oozing Ib Non-bleeding visible vessel IIa 17% Up to 50% Non-bleeding adherent clot IIb 17% 30-35% Flat spot IIc 20% 5-8% Clean base III 42% < 3% 4 Johnson et al. GIE 1990; Laine et al. NEJM 1994 Tamponade effect and vasoconstriction with epinephrine Heater probe 3.2mm [need 2T scope] 2.8mm Pressure + Heat Coaptive effect – compress until sealing of vessel 6 Hemoclip 7 Sung et al. Endoscopy 2011 Sung JJ et al Gut 2007 Study, Year (Reference) Clips (+ injections) n/N Clip vs Injection (a) Clips versus Injections Simoens, 1997 [10] Chung, 1999 [11] Chung, 2000 [12] Gevers, 2002 [13] Park 2003 [14] Chou, 2003 [15] Shimoda, 2003 [16] LJubicic, 2004 [17] 2/9 1/41 1/9 7/35 0/16 4/39 4/42 2/31 Injections / Thermocoagulation n/N RR 95% CI 3/9 6/41 4/12 5/34 5/16 11/40 6/42 4/30 RR 95% CI 0.67 0.17 0.33 1.36 0.09 0.37 0.67 0.48 Total (95% CI) 222 224 Total events: 21 (Clips), 44 (Injections) Test for heterogeneity: Chi-square = 6.88, df = 7 (P = 0.44), I2 = 0% Test for overall effect: Z = 2.89 (P = 0.004) [0.14, [0.02, [0.04, [0.48, [0.01, [0.13, [0.20, [0.10, 3.09] 1.32] 2.50] 3.87] 1.52] 1.07] 2.19] 2.45] 0.49 [0.30, 0.79] Clip + injection vs Injection (b) Clips combined with injections versus Injections Villanueva, 1996 [18] Simoens, 1997 [10] Chung, 1999 [11] Gevers, 2002 [13] Shimoda, 2003 [16] Park, 2004 [19] Lo, 2006 [20] 2/42 2/9 4/42 5/32 3/42 2/23 2/52 7/37 3/9 6/41 5/34 6/42 9/45 11/53 0.25 0.67 0.65 1.06 0.50 0.43 0.19 Total (95% CI) 242 261 Total events: 20 (Clips + Injections), 47 (Injections) Test for heterogeneity: Chi-square = 4.72, df = 6 (P = 0.58), I2 = 0% Test for overall effect: Z = 3.03 (P = 0.002) [0.06, [0.14, [0.20, [0.34, [0.13, [0.10, [0.04, 1.14] 3.09] 2.14] 3.33] 1.87] 1.85] 0.80] 0.47 [0.28, 0.76] Clip vs Thermal (c) Clips versus Thermocoagulation with or without Injections Cipolletta, 2001 [21] 1/56 12/57 Lin, 2002 [22] 3/40 2/40 Lin, 2003 [23] 4/46 3/47 Saltzman, 2005 [24] 4/26 5/21 0.08 1.50 1.36 0.65 Total (95% CI) 168 165 Total events: 12 (Clips), 22 (Thermocoagulation) Test for heterogeneity: Chi-square = 6.42, df = 3 (P = 0.09), I2 = 53.3% Test for overall effect: Z = 0.75 (P = 0.45) 9 0.01 0.1 Favours Clips (+ injections) [0.01, [0.26, [0.32, [0.20, 0.63] 8.50] 5.75] 2.11] 0.65 [0.21, 2.02] 1 10 100 Favours Injections / Thermocoagulation STUDY WEIGHT (%) PETO OR BALANZO 1990 4.5 0.81 LOIZOU 1991 3.2 0.55 SOLLANO 1991 1.0 0.14 CHUNG 1993 12.8 0.80 VILLANUEVA 1993 4.8 2.01 LIN 1993 6.2 0.33 CHOUDARI 1994 6.3 0.91 KUBBA 1996 7.3 0.23 CHUNG 1996 9.0 0.92 VILLANUEVA 1996 3.9 0.25 LEE 1997 5.3 0.33 CHUNG 1997 9.5 0.39 LIN 1999 5.9 0.27 CHUNG 1999 5.4 0.57 GAQRRIDO 2002 6.1 0.27 PESCATORE 2002 8.7 0.78 100.0 0.53 0.01 TOATL 0.1 Favors combined therapy 10 1 10 100 Favors epinephrine alone Calvet et al. Gastro 2004 Bleeding Perforation 30 day mortality: a: Bleeding; b: Perforation Lau JY, Sung JJ et al Digestion 2011 Mortality cases N = 577 / 10428 Subcategories N Percentage Bleeding related Uncontrolled bleeding / rebleeding 31 29.2% N = 106 (18.4%) Within 48h after endoscopy 27 25.5% During surgery for uncontrolled bleeding 3 2.8 Surgical complications or within 1 month after surgery 31 29.2% Endoscopy related complication 14 13.2% Non-bleeding related Cardiac diseases (ACS, Heart failure) 62 23.5% N = 460 (79.7%) Pulmonary diseases (COPD, Pneumonia) 108 23.5% Multi-organ failure 110 23.9% Neurological diseases (Stroke) 25 5.4% Terminal malignancy 155 33.7% 11 1.9% Unclassified 12 Sung JJ et al AJG 2009 Identification of predictors to adverse events (including rebleeding & mortality) Intensive monitoring and pre-emptive management Prevention of rebleeding Improvement in post-endoscopy management Improve the success rate of primary endoscopic hemostasis 13 CUHK Outcome Prediction Score Combining ALL predictive factors for the derivation cohort (AUC 0.842) Pre-endoscopy factors 1. Age greater than 70 years 2. Presence of listed comorbidities 3. More than one listed comorbidities 4. Hematemesis 5. Initial systolic blood pressure less than 100 mmHg 6. In-hospital bleeders Post endoscopy factors 1. Presence of Helicobactor pylori 2. Development of rebleeding 3. Need for operation 14 Chiu et al. Clin Gastroenterol Hepatol 2009 15 Aggregation (%) ADP, adenosine diphosphate. ADP pH=6.0 Disaggregation=77% 0 Buffer 20 pH=6.4 Disaggregation=16% 40 60 80 100 pH=7.3 Disaggregation=0% 0 1 2 Time (minutes) 3 4 5 Green et al 1978 16 Maximum pepsin activity (%) 100 80 60 40 20 0 0 1 2 3 Gastric juice pH 4 Berstad 1970 17 240 patients with bleeding peptic ulcers Forrest Ia, Ib, IIa Treated by injection + Heater probe IV Omeprazole infusion vs placebo 80mg bolus dose 8mg / hour for 72 hours Total dose = 656 mg 18 19 Lau JYW et al NEJM 2000 p = 0.14; 20 p = 0.13 Lau et al. NEJM 2000 Intravenous Esomeprazole for Prevention of Peptic Ulcer Rebleeding: A Multinational, Randomised, Placebo-Controlled Study Joseph J.Y. Sung1, Alan Barkun2, Ernst J. Kuipers3, Joachim Mössner4, Dennis Jensen5, Robert Stuart6, James Y. Lau1, Henrik Ahlbom7, Jan Kilhamn7, Tore Lind7 Randomised, double-blind, placebocontrolled study at 91 centres in 16 countries i.v. treatment (72 hours) Endoscopic Haemostasis 1. 2. Single Combo R esomeprazole i.v. 80 mg over 30 min followed by esomeprazole i.v. 8 mg/h for 71.5 hours placebo i.v. for 30 min followed by placebo for 71.5 hours Oral treatment (27 days) esomeprazole 40 mg qd 72 hours No rebleed Rebleed 95% CI Esomeprazole n=375 Placebo n=389 353 (94.1) 349 (89.7) 22 (5.9) 3.7 – 8.8 40 (10.3) 7.5 – 13.7 p-value 0.0256 Risk reduction: 43% Sung JY et al, AIM 2009 OGD : Bleeding peptic ulcers Primary Endoscopic Hemostasis Scheduled second endoscopy 24-48 hours Rebleeding (10-20%) Treat persistent SRH before rebleeding 23 Nov 2003 to May 2008 Acute Upper GI Bleeding [556] Bleeding peptic ulcer [326] Failed hemostasis [11] Carcinoma [9] Primary therapeutic endoscopy [305] Scheduled 2nd endoscopy [152] Adjunctive omeprazole infusion [153] Forrest I, IIa, IIb Endoscopic Retreatment Rebleeding OGD ± Laparotomy 25 Chiu et al. DDW 2010 p = 0.646; OR 1.23 (95% CI 0.51-2.93) 26 P =0.51 ; OR = 0.49 (95% CI 0.12 – 2.01) 27 PPI infusion [153] 2nd OGD [152] p Mortality (%) 8 (5.2%) 3 (2.0%) 0.22 Hospital stay (days) 6.3 4.4 0.02† Transfusion (unit) 2.2 1.9 0.39 28 After primary endoscopic hemostasis, PPI infusion achieved a similar rate of ulcer rebleeding as compared to scheduled second endoscopy PPI infusion reduced patients’ discomfort and endoscopists’ workload from repeating endoscopy Second endoscopy may have an advantage of shortening the hospital stay Second endoscopy should be recommended if PPI infusion is not available 29 Acute Upper GI Hemorrhage Pre-emptive PPI infusion OGD : Bleeding peptic ulcers Primary Endoscopic Hemostasis Adjunctive PPI infusion / Scheduled second endoscopy Rebleeding (5%) Salvage Surgery 30 31 371 UGIB patients randomized to high dose IVPPI or placebo before endoscopy Lau JY, et al. N Engl J Med. 2007 Omeprazole N=179 Placebo N=190 P value Blood transfusion Mean, SD Median range 1.7, 2.8 0, 0-24 2.2, 3.9 1.5, 0-38 .15 .15 Hospital stay Mean, SD Median, range 4.2, 4.9 3, 1-41 5.1, 5.6 3, 0-54 .09 .003 Urgent intervention 2 3 1 Surgery for hemostasis 1 4 .37 30 day rebleeding 7 5 .52 30 day mortality 4 5 .79 Lau JY, et al. N Engl J Med. 2007 TAE as an alternative to salvage surgery Can also act to pre-emptive embolization 3144 bleeding peptic ulcer from January 2000 to July 2009 1254 (39.9%) required endoscopic hemostasis 1218 (97.1%) successful hemostasis 166(13.6%) Rebleeding 52 (31.3%) failed 2nd endoscopic treatment/ 2nd rebleeding 19 TAE 33 Surgery 36 (2.9%) failed initial hemostasis 13 TAE 23 Surgery Total: TAE n=32 Surgery n=56 Wong TL, Lau JY et al DDW 2010 P = <0.005 P = 0.77 Wong TL, Lau JY et al DDW 2010 P = 0.09 P = 0.60 P = 0.01 Wong TL, Lau JY et al DDW 2010 Pre-emptive Transcatheter Angiographic Embolization in high risk patients A prospective RCT is ongoing in PWH… Peptic ulcer rebleeding remains one of the most important clinical catastrophy with significant mortality PPI Infusion after endoscopic therapy prevent ulcer rebleeding Schedule 2nd endoscopy served as an alternative when PPI infusion is not available Pre-emptive Transarterial embolization may served as an adjunctive measure to prevent ulcer rebleeding 39 2 Year Master Programme for Medical and Nursing Professionals Advanced Technology Multidisciplinary Clinical Exposure