341 ANTITHROMBOTIC CESSATION FOLLOWING HOSPITALIZATION FOR DIVERTICULAR HEMORRHAGE IS ASSOCIATED WITH AN INCREASED RISK OF FOLLOW UP ISCHEMIC AND THROMBOEMBOLIC EVENTS

2020 ◽  
Vol 158 (6) ◽  
pp. S-59-S-60
Author(s):  
Jonathan Dowd ◽  
Neil Sengupta
Keyword(s):  
Thromboembolic Events ◽  
Diverticular Hemorrhage ◽  
Increased Risk

scholarly journals Splenectomy Results in Venous Thromboembolic Events in Women: A Nurses Health Study

Blood ◽  
2021 ◽  
Vol 138 (Supplement 1) ◽  
pp. 3163-3163
Author(s):  
Qi Feng ◽  
Rulla Tamimi ◽  
Yvonne Mu ◽  
Jun Peng ◽  
James B Bussel
Keyword(s):  
Board Of Directors ◽  
Smoking History ◽  
Health Study ◽  
Sufficient Information ◽  
Thromboembolic Events ◽  
Multivariate Models ◽  
Advisory Committees ◽  
Increased Risk ◽  
Venous Thromboembolic Events

Abstract Background: Splenectomy is a therapy for many conditions the most common of which are trauma, Hodgkin lymphoma, thalassemia and hereditary or autoimmune hemolytic anemia, and immune thrombocytopenia (ITP). By 1960 splenectomy had been known to create a risk of over-whelming post splenectomy sepsis (OPSS) with a high mortality rate. More recently population-based studies from Denmark have suggested that there is also an increased risk of thromboembolic (TEE) complications. Thromboembolic events generally include venous thrombosis (deep vein thrombosis (DVT) and pulmonary embolism (PE)) and arterial thrombosis (stroke and myocardial infarction [MI]). ITP and hemolytic anemias have been shown to independently have increased risks of arterial and venous TEE which has complicated assessment of additive effects of splenectomy. While splenectomized patients appear to be at increased risk of arterial and venous thromboses, the incidence and which TEEs predominate remains unclear as does the timing of occurrence of the TEEs. Method: The Nurses' Health Study (NHS) was established in 1976 and enrolled 121,700 female nurses between 30-55 years old. The nurses completed baseline questionnaires and biennial follow up questionnaires. In 2004, NHS participants were asked whether they had undergone splenectomy. The primary outcomes of this study included DVT,PE, and MI, which were identified through self-report on biennial questionnaires. MIs were confirmed through medical record review. End of follow-up for this study went through 2016, date of death, or diagnosis of outcome, whichever came first. Loss to follow up was very low and causes of deaths were carefully tracked. Descriptive statistics compared the splenectomy vs non-splenectomy participants with respect to basic demographic factors and variables that may be related to the outcomes. Cox proportional hazards models were run to evaluate incidence rates for primary and secondary outcomes. We conducted age-adjusted, as well as multivariable adjusted models. Multivariate models were adjusted for age, body mass index, smoking history, diabetes mellitus, high blood pressure, and high cholesterol, thus taking into account known predictors of the specific TEEs. Multivariate models were updated every two years to account for time varying confounders. Results： In 2004, 323 participants reported having had a splenectomy, out of 96,000 completing the questionnaire. There was a strong, significant association between splenectomy and subsequent DVT (n=613) and PE (n=840). The multivariate adjusted HR was 3.73 (95%CI: 1.77-7.86) and 3.80 (95%CI: 2.04-7.10) respectively. When considered together as a composite outcome, the splenectomized participants had a 3.52-fold higher risk (95%CI: 2.12-5.85) of PE/DVT compared with non-splenectomy. There was no association between splenectomy and MI (n=1011; HR = 0.97, 95% CI: 0.31-3.01). Given the very limited number of stroke cases in the splenectomized population, we were underpowered/unable to evaluate the association of splenectomy and subsequent risk of stroke. Conclusion: This study found that splenectomized patients are at a 4-fold increased risk of PE and DVT as compared to not-splenectomized individuals. These findings were not dependent on any of the potentially confounding variable analyzed. We found no association between splenectomy and MI. There are limitations to these results. No information was available on family history and perioperative thrombo-prophylaxis. Also we do not know exactly when or why splenectomy was performed; there were at least 34 women who had splenectomy for ITP but in most cases the underlying disease was unknown. Since the nurses in 1976 were already between 30-55 years old, it is no longer possible to retrospectively obtain sufficient information. Therefore, the splenectomy question has been added to the current survey for NHS#2. We will pursue the relevant information in a follow up letter to respondents who reported having undergone splenectomy while seeing if the findings of NHS#2 confirm those of NHS#1. Figure 1 Figure 1. Disclosures Bussel: Principia/Sanofi: Consultancy, Membership on an entity's Board of Directors or advisory committees; UCB: Consultancy, Membership on an entity's Board of Directors or advisory committees, Other: DSMB; Momenta/Janssen: Consultancy, Membership on an entity's Board of Directors or advisory committees; Argenx: Consultancy, Membership on an entity's Board of Directors or advisory committees; Dova/Sobi: Consultancy, Membership on an entity's Board of Directors or advisory committees; CSL: Other: DSMB; RallyBio: Consultancy, Membership on an entity's Board of Directors or advisory committees; Novartis: Consultancy, Membership on an entity's Board of Directors or advisory committees; Amgen: Consultancy, Membership on an entity's Board of Directors or advisory committees; Rigel: Consultancy, Membership on an entity's Board of Directors or advisory committees; UptoDate: Honoraria.

Erythrocytosis Post Allogeneic Stem Cell Transplantation, An Observational Study Of Hemoglobin Levels On Long-Term Follow Up Post Transplantation In Patients With Fanconi Or Acquired Aplastic Anemia

Blood ◽  
2013 ◽  
Vol 122 (21) ◽  
pp. 4643-4643 ◽  
Author(s):  
Mouhab Ayas ◽  
Khawar Siddiqui ◽  
Abdulrahman Al-Musa ◽  
Hassan El-Solh ◽  
Abdullah Al-Jefri ◽  
...  
Keyword(s):  
Aplastic Anemia ◽  
Cell Transplantation ◽  
Median Time ◽  
Univariate Analysis ◽  
Thromboembolic Events ◽  
Allogeneic Hct ◽  
Increased Risk ◽  
Long Term Follow Up

Post-transplant erythrocytosis is an ominous complication of kidney transplantation, occurring in the first 8 to 24 months after surgery in 10% to 15% of transplant recipients; this is frequently associated with significant thromboembolic events and sometimes death. In patients undergoing allogeneic hematopoietic cell transplantation (HCT), erythrocytosis has not been previously well described. At our institution, we observed that some aplastic anemia (AA), and Fanconi anemia (FA) patients developed progressively increased hemoglobin (HB), hematocrit (HCT) and RBC readings on long term follow up. Thus, this study was conducted to assess the validity of this observation in AA/FA patients post HCT, and its impact on their health. Patients and Methods From January 1993 until December 2011, 144 pediatric patients underwent successful allogeneic HCT for AA or FA; median age at HCT 11.6 years (range, 6.6 -15). All patients included were alive at the time of the analysis, and had sustained engraftment; all have had a follow up time of ≥ 12 months. For those who underwent more than one HCT, only events after the last HCT were included. We retrospectively examined the HB levels as an indicator for erythrocytosis (Corresponding RBC, HCT, WBC, and platelet counts were also collected). HB values of 150, and 160 gm/l were considered the trigger value in females and males, respectively. Patients who reached this value were studied for higher values on follow up, and only those whose HB persisted for at least 3 months above trigger value were included in the analysis; 29 patients (15 females, 14 males) were identified after causes of secondary erythrocytosis were ruled out. Erythrocytosis was defined as HB ≥ 160 gm/l in females, a HB ≥ 170 gm/l in males. Results Median time to trigger HB was 51.4 months (range, 15-121) in females, and 65 months (range, 23.3-114) in males, and median age at trigger HB was 14.7 years (range, 8.6-21.4) in females, and 16.9 years (range, 13.4-20.6) in males. Median highest HB reached was 160 gm/l (range, 151-162) in females, and 172 gm/l (range, 164-189) in males, with a median time of 67 months (range, 17-164) in females, and 103 months (range, 23.3-206) in males; the median age at highest HB was 16 years (range, 9.7-24.8) in females, and 20.2 years (range, 13.4-27.4) in males. Upon follow up, the HB fell below the trigger level in 16 patients (9 females, 7 males) (55.2%), at a median time of 37.2 months from the trigger value (range, 3.6-104). Seventeen patients qualified for the diagnosis of erythrocytosis (12%); 8 females, and 9 males. In all 8 females and in 4 males, HB fell below the erythrocytosis value upon follow up. All HB values correlated positively with HCT and RBC, no correlation was detected with platelet count or WBC. On univariate analysis, patients with older age at HCT (≥ 10 years) appeared to be more likely to develop elevated HB (P=0.003); and those who had radiation in the conditioning regimen were less likely to develop elevated HB (P=0.008). Three of the males with persistent erythrocytosis were tested further and all 3 had normal erythropoietin levels and were negative for JAK-2 mutations. None of the 29 patients had any adverse clinical symptoms during the follow up visits, and no thromboembolic events were reported. Conclusion A proportion of patients with AA/FA who undergo HCT may experience elevated HB on long term follow up; 12% subsequently qualifying as erythrocytosis, with the highest reading requiring between 1.5-2 years to evolve. Unlike erythrocytosis post renal transplant, the phenomenon we are describing in our patient cohort does not appear to be associated with any adverse symptoms, or any increased risk of thrombosis. More in depth investigation to study the potential pathophysiology behind it is currently underway at our institution, together with further exploration of this observation in patients with other illnesses undergoing allogeneic HCT. Disclosures: No relevant conflicts of interest to declare.

scholarly journals EPID-10. VENOUS THROMBOEMBOLIC EVENTS IN GLIOBLASTOMA PATIENTS: AN EPIDEMIOLOGICAL VIEW

2019 ◽  
Vol 21 (Supplement_6) ◽  
pp. vi76-vi76
Author(s):  
Dorothee Gramatzki ◽  
Patrick Roth ◽  
Emilie Le Rhun ◽  
Elisabeth Rushing ◽  
Sabine Rohrmann ◽  
...  
Keyword(s):  
Survival Data ◽  
Time Frame ◽  
Rank Test ◽  
Karnofsky Performance Score ◽  
Thromboembolic Events ◽  
Therapeutic Anticoagulation ◽  
Increased Risk ◽  
Venous Thromboembolic Events ◽  
Venous Thromboembolic

Abstract BACKGROUND Venous thromboembolic events (VTE) are a common complication in cancer patients. Anticoagulant use is the appropriate treatment for acute VTE in cancer, although assumed to be associated with increased risk for bleeding. The population-based relationship of VTE and anticoagulant therapy to survival in glioblastoma patients remains unclear. METHODS Frequency, risk factors, treatment and complications of VTE were assessed in a glioblastoma cohort in the Canton of Zurich, Switzerland (2010 to 2014). Survival data were retrospectively analyzed using the log rank test. RESULTS 248 glioblastoma patients with known isocitrate dehydrogenase (IDH) wildtype status were identified in a 5-year time-frame. Median overall survival (OS) was 12.8 months (95% CI 11.0–14.6), with a median follow up of 60.7 months (95% CI 51.4–70.0). VTE were diagnosed in 35 patients (14.4%; 5 out of 248 patients with no follow-up data on VTE). Median time from diagnosis to VTE was 2.23 months (95% CI 0.6–3.9); 3 patients (8.6%) had a history of VTE. Most patients were on steroids at time of diagnosis of VTE (68.6%), and a Karnofsky Performance Score of less than 70% was documented in 21 patients (60%). Most patients with VTE (88.6%) received therapeutic anticoagulation. Complications, resulting in the cessation of therapeutic anticoagulation, occurred in 11 patients (35.5%), mainly (9 patients, 81.8%) due to intracranial hemorrhage. OS did not differ between patients diagnosed with VTE and those without VTE (p=0.103). Tumor progression was the major cause of death (91.3%); 1.4% of patients died from VTE; 1.9% of the patients suffered unexpected sudden death. CONCLUSION Although VTE were identified in 14.4% of glioblastoma patients, VTE were not the major reason for death. These data do not support the implementation of primary thromboprophylaxis in glioblastoma patients. Prospective clinical trials are needed to examine the association of anticoagulant use with survival in glioblastoma patients.

P4772Role of anticoagulation in patients with subclinical AF and its association with cardiovascular events: a SILENT sub study

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
M Martinelli Filho ◽  
S F Siqueira ◽  
G A T Athayde ◽  
K M Dias ◽  
A O Pinheiro ◽  
...  
Keyword(s):  
Previous History ◽  
Intervention Group ◽  
High Rate ◽  
Control Group ◽  
Thromboembolic Events ◽  
Short Term ◽  
Cardiac Devices ◽  
Increased Risk

Abstract Background Atrial fibrillation (AF) is a well-established thromboembolic event risk factor. Episodes of subclinical AF (SCAF) recorded in implantable electronic cardiac devices (IECD) have been related to clinical AF and increased risk of stroke. However, there is no scientific evidence regarding the role of anticoagulation in this population. Objective: Our objective is to assess the association of SCAF with clinical AF and rate of systemic thromboembolic events, in a short-term follow-up. Methods This is a sub-study of SILENT, a prospective, randomized, unicentric study which included patients with sinus rhythm, IECD, with CHA2DS2-VASc ≥2, without previous history of AF. Patients were randomized to the Intervention Group and to the Control Group in the 1: 1 ratio. Patients of the Intervention Group with SCAF episodes (>6 min) received anticoagulation, as well as those with clinical AF in both groups. The primary end point was systemic thromboembolic phenomena and the secondary endpoints were SCAF rate, total and cardiovascular mortality, cardiovascular hospitalization and bleeding. Results A total of 758 patients were evaluated, with a mean age of 72.81 years (± 9.73), of which 461 (60.8%) were female. The mean follow-up was 19.59±4.24 months. Baseline characteristics were similar in both groups. Only 3 patients presented the primary outcome (two of them from Intervention Group). There were 16 deaths (2,1%) and 44 cardiovascular hospitalizations (5,8%), with no difference between groups. Atrial high rate episodes (AHRE) and clinical AF were more prevalent in Control Group, leading to an equal rate of anticoagulation between groups. Clinical AF was statistically associated to previous atrial high rate episodes of any duration (p=0.001) and correlated with SCAF (p<0.01 and R: 0,60) previously recorded in the device. Conclusion This sub study showed that, in a short term follow-up, SCAF has a good correlation with clinical AF occurrence with low rate of thromboembolic events. The Silent study will evaluate in an extended population the role of anticoagulation, in the long term. Acknowledgement/Funding None

Long-Term Complications after Splenectomy in Adult Chronic Immune Thrombocytopenia with a Minimum Follow up of 10 Years. First Results from a Single-Center Case-Control Study in 140 Patients with Primary ITP

Blood ◽  
2014 ◽  
Vol 124 (21) ◽  
pp. 232-232 ◽  
Author(s):  
Lan-huong Thai ◽  
Matthieu Mahevas ◽  
Françoise roudot-Thoraval ◽  
Laetitia Languille ◽  
Guillaume Dumas ◽  
...  
Keyword(s):  
Cardiovascular Events ◽  
Case Control Study ◽  
Case Control ◽  
Thromboembolic Events ◽  
Single Center ◽  
Increased Risk ◽  
Artery Disease ◽  
Control Study

Abstract Introduction: Splenectomy was historically regarded as the gold standard for treatment in chronic adult immune thrombocytopenic purpura (ITP). However, the recent emergence of new drugs has deeply modified ITP management and splenectomy is no longer viewed as an unavoidable step in adult chronic ITP in many countries. The estimation of the risk over benefit of this potential curative treatment remains challenging both for patients and physicians. A retrospective Italian study focused on long-term outcome of patients splenectomized for ITP gave reassuring data concerning safety. A recent study from a large cohort of American veterans showed an increased risk of death due to septicemia, pulmonary embolism, coronary artery disease and cancer more than 10 years after splenectomy. We reported here the results of the first single center case-control study evaluating the long-term incidence of splenectomy complications with a minimum follow-up of 10 years. Methods: We retrospectively selected in a clinical computer database all primary ITP patients splenectomized more than 10 years ago in our unit. We matched 1 by 1 to non-splenectomized ITP patients based on date and age at ITP diagnosis and sex criteria. Clinical data were then completed from medical charts. All patients were interviewed by phone and a standardized questionnaire was used. Medical records from general practitioner or from Medical care center have been systematically obtained if necessary, especially for deceased patients. Comparison between groups were made using Fisher’s test for qualitative variables, Kaplan-Meier method to estimate incidence and Rank test for comparison of cumulative incidence, with p<0.05 defining significance. Results: Seventy splenectomized ITP patients were included (19men/51women) with a median age at ITP diagnosis of 37 years (range: 3-92). Sixty one (87%) initially responded to splenectomy but only 34(48.5%) maintained a sustained response after a median follow-up of 189 months (range:120-528). Matched non-splenectomized ITP patients had a median age at diagnosis of 40 years (range: 3-93) and a median follow-up since ITP diagnosis of 197 months (range: 96-504).Cumulative incidence of thromboembolic events was higher in the splenectomized group (p=0.029) (Figure1). Four (6%) episodes of post-operative portal vein thrombosis were observed, 3 were complicated by portal cavernoma requiring long-term anticoagulation. They tended to present with more thromboembolic events on a long-term (n=7) than non-splenectomized ITP patients (n=3, p=0.113). Two splenectomized (2.8%) and 1 non-splenectomized (1.4%) patients were diagnosed with post-embolic pulmonary arterial hypertension. The incidence of cardiovascular events was significantly higher in splenectomized group (9(13%) versus 2(2.8%), p=0.005) (Figure 2) with 6 transient and/or ischemic strokes in splenectomized patients (none in non-splenectomized).Infectious events were similar in the two groups (splenectomized: 12 (17%) vs 10 (14%)) but infections were more frequent and severe in splenectomized patients. Indeed, 12 splenectomized patients presented 20 infectious events requiring hospitalization, 13 of them were pneumonia (Streptococcus Pneumoniae: n=4, Haemophilus Influenzae: n=1, undocumented: n=9). Five complicated septic-shocks leading to 3 deaths. In non-splenectomized group, 10 patients had 10 infectious events (Pneumonia n=4, Streptococcus Pneumoniae n=1), 7 were hospitalized, none had septic-hock. Incidence of cancer was similar in the 2 groups (splenectomized: 11 (16%), non-splenectomized: 10 (14%).Finally, the mortality rate was not different between two groups (splenectomized: n=14 (20%), non-splenectomized n=9, 13%). Ten (38%) of the 36 non-responders patients deceased, 7 from hemorrhage and/or septic shock. Other splenectomized and non-splenectomized patients died from malignant cancer/hemopathy (n=5), coronary artery disease (n=2),other (n=6). Conclusion: Based on this case control single center study, we observed that long-term splenectomized patients have not only an increase risk of life-threatening infections, but also an increased risk of thromboembolic, and cardiovascular events. A long-term follow-up is therefore recommended in this patient population regardless the status of ITP in order to better prevent and manage such complications. Figure 1 Figure 1. Disclosures No relevant conflicts of interest to declare.

scholarly journals Hypothyroidism, Sex, and Age Predict Future Thromboembolic Events Among Younger People

2019 ◽  
Vol 105 (4) ◽  
pp. e1593-e1600 ◽  
Author(s):  
Jay A Martinez ◽  
Fares Qeadan ◽  
Mark R Burge
Keyword(s):  
Smoking Status ◽  
Study Groups ◽  
Thyroid Stimulating Hormone ◽  
Overt Hypothyroidism ◽  
Thromboembolic Events ◽  
University Of New Mexico ◽  
Contraceptive Therapy ◽  
Increased Risk ◽  
The University

Abstract Purpose Aberrant thyroid function causes dysregulated metabolic homeostasis. Literature has demonstrated hypercoagulability in hypothyroidism, suggesting a risk for thromboembolic events (TEE). We hypothesize that individuals with hypothyroidism will experience more clinically-diagnosed TEE than euthyroid individuals. Methods De-identified patient data from the University of New Mexico Health Sciences Center were retrieved using thyrotropin (TSH; thyroid-stimulating hormone) for case-finding from 2005 to 2007 and ICD billing codes to identify TEE during the follow-up period of 10 to 12 years. Diagnoses affecting coagulation were excluded and 12 109 unique enrollees were categorized according to TSH concentration as Hyperthyroid (n = 510), Euthyroid (n = 9867), Subclinical Hypothyroid (n = 1405), or Overtly Hypothyroid (n = 327). Analysis with multiple logistic regression provided the odds of TEE while adjusting for covariates. Results There were 228 TEEs in the cohort over 5.1 ± 4.3 years of follow-up. Risk of TEE varied significantly across study groups while adjusting for sex, race/ethnicity, levothyroxine, oral contraceptive therapy, and visit status (outpatient vs non-outpatient), and this risk was modified by age. Overt Hypothyroidism conferred a significantly higher risk of TEE than Euthyroidism below age 35, and Hyperthyroidism conferred an increased risk for TEE at age 20. Analysis also demonstrated a higher age-controlled risk for a subsequent TEE in men compared with women (odds ratio [OR] = 1.36; 95% confidence interval [CI], 1.02–1.81). Subanalysis of smoking status (n = 5068, 86 TEE) demonstrated that smokers have 2.21-fold higher odds of TEE relative to nonsmokers (95% CI, 1.41–3.45). Conclusions In this retrospective cohort study, Overt Hypothyroidism conferred increased risk of TEE over the next decade for individuals younger than 35 years of age, as compared with Euthyroidism.

Contraception and thrombophilia

2009 ◽  
Vol 29 (02) ◽  
pp. 193-196 ◽  
Author(s):  
H. Rott ◽  
A. Kruempel ◽  
G. Kappert ◽  
U. Nowak-Göttl ◽  
S. Halimeh
Keyword(s):  
Chronic Illness ◽  
High Risk ◽  
Children And Adolescents ◽  
Hormonal Contraception ◽  
Hormonal Contraceptives ◽  
Thromboembolic Events ◽  
Contraceptive Methods ◽  
Secondary Complications ◽  
Increased Risk ◽  
Coagulation Proteins

SummaryThe risk of thromboembolic events (TE) is increased by acquired or inherited thrombo -philias (IT). We know that some hormonal contraceptives also increase the risk of thrombosis, thus, the use of such contraceptives are discussed as contraindications in women with IT. TEs are infrequent events in children and adolescents and in the majority of cases are associated with secondary complications from underlying chronic illness. Although adolescents are not typically considered to be at high-risk for TE, this cohort is frequently using hormonal contraception, leading to an increased risk in cases with unknown IT. The risk of TE with pregnancy alone is higher than associated with combined hormonal contra -ception. Progestin-only methods have not been found to increase the risk of TE with only moderate changes of coagulation proteins compared to normal reference values. Conclusion: Thrombophilic women are good candidates for progestin-only contraceptive methods.

Respiratory Complications in Outpatient Endoscopy with Endoscopist-Directed Sedation

2014 ◽  
Vol 23 (3) ◽  
pp. 255-259 ◽  
Author(s):  
Kilian Friedrich ◽  
Sabine G. Scholl ◽  
Sebastian Beck ◽  
Daniel Gotthardt ◽  
Wolfgang Stremmel ◽  
...  
Keyword(s):  
Antibiotic Treatment ◽  
Respiratory Infection ◽  
Endoscopic Procedure ◽  
Shortness Of Breath ◽  
Respiratory Complications ◽  
Endoscopic Procedures ◽  
Increased Risk ◽  
High Incidence ◽  
Respiratory Complaints

Background & Aims: Respiratory complications represent an important adverse event of endoscopic procedures. We screened for respiratory complications after endoscopic procedures using a questionnaire and followed-up patients suggestive of respiratory infection.Method: In this prospective observational, multicenter study performed in Outpatient practices of gastroenterology we investigated 15,690 patients by questionnaires administered 24 hours after the endoscopic procedure.Results: 832 of the 15,690 patients stated at least one respiratory symptom after the endoscopic procedure: 829 patients reported coughing (5.28%), 23 fever (0.15%) and 116 shortness of breath (SOB, 0.74%); 130 of the 832 patients showed at least two concomitant respiratory symptoms (107 coughing + SOB, 17 coughing + fever, 6 coughing + coexisting fever + SOB) and 126 patients were followed-up to assess their respiratory complaints. Twenty-nine patients (follow-up: 22.31%, whole sample: 0.18%) reported signs of clinically evident respiratory infection and 15 patients (follow-up: 11.54%; whole sample: 0.1%) received therefore antibiotic treatment. Coughing or vomiting during the endoscopic procedure resulted in a 156.12-fold increased risk of respiratory complications (95% CI: 67.44 - 361.40) and 520.87-fold increased risk of requiring antibiotic treatment (95% CI: 178.01 - 1524.05). All patients of the follow-up sample who coughed or vomited during endoscopy developed clinically evident signs of respiratory infection and required antibiotic treatment while this occurred in a significantly lower proportion of patients without these symptoms (17.1% and 5.1%, respectively).Conclusions: We demonstrated that respiratory complications following endoscopic sedation are of comparably high incidence and we identified major predictors of aspiration pneumonia which could influence future surveillance strategies after endoscopic procedures.

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