scholarly journals Gastrointestinal endoscopy under sedation is associated with pneumonia in older inpatients—results of a retrospective case-control study

2017 ◽  
Vol 6 (3) ◽  
pp. 382-390
Author(s):  
Christopher M Kollmann ◽  
Wolff Schmiegel ◽  
Thorsten Brechmann
Keyword(s):  
Antibiotic Treatment ◽  
Gastrointestinal Endoscopy ◽  
Case Control Study ◽  
Invasive Procedure ◽  
Case Control ◽  
Advanced Age ◽  
Retrospective Case ◽  
Inflammatory Parameters ◽  
Increased Risk ◽  
Control Study

Background and aims Apparent aspiration is a notable adverse event during gastrointestinal endoscopy under sedation (GIES), but data about inapparent aspiration are scarce. Generally, particularly older patients are at higher risk of suffering from adverse events. Objective The objective of this article is to determine the risk of pneumonia, lower respiratory tract infection (LRI) and systemic inflammatory activation after GIES, especially in patients of at least 65 years. Methods The retrospective case-control study included 250 patients undergoing GIES and assigned age-, gender- and time of performance-matched controls without invasive procedure or sedation (ratio 1:1). Results On day 3 patients of advanced age presented with both pneumonia and LRI more often (2.6 vs. 0.0%, p = 0.041 and 7.8 vs. 2.5%, p = 0.034, respectively). In general, several inflammatory parameters increased significantly after GIES (i.e. white blood cell count (increase of ≥ 25%) 18.6 vs. 6.9%, p < 0.001), leading to more frequent antibiotic treatment (6.8 vs. 1.6%, p = 0.004). The effects were less pronounced on day 7. Conclusions Patients of advanced age carry an increased risk of pneumonia and LRI after GIES. Patients are generally more likely to feature inflammation and to receive antibiotic treatment.

scholarly journals Neonatal Thrombocytopenia after Perinatal Asphyxia Treated with Hypothermia: A Retrospective Case Control Study

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
N. Boutaybi ◽  
F. Razenberg ◽  
V. E. H. J. Smits-Wintjens ◽  
E. W. van Zwet ◽  
M. Rijken ◽  
...  
Keyword(s):  
Platelet Count ◽  
Therapeutic Hypothermia ◽  
Case Control Study ◽  
Perinatal Asphyxia ◽  
Case Control ◽  
Control Group ◽  
Retrospective Case ◽  
Increased Risk ◽  
Hypothermia Group ◽  
Control Study

Our objective was to estimate the effect of therapeutic hypothermia on platelet count in neonates after perinatal asphyxia. We performed a retrospective case control study of all (near-) term neonates with perinatal asphyxia admitted between 2004 and 2012 to our neonatal intensive care unit. All neonates treated with therapeutic hypothermia were included in this study (hypothermia group) and compared with a historic control group of neonates with perinatal asphyxia treated before introduction of therapeutic hypothermia (2008). Primary outcome was thrombocytopenia during the first week after birth. Thrombocytopenia was found significantly more often in the hypothermia group than in the control group, 80% (43/54) versus 59% (27/46) (P=.02). The lowest mean platelet count in the hypothermia group and control group was97×109/Land125×109/L(P=.06), respectively, and was reached at a mean age of 4.1 days in the hypothermia group and 2.9 days in the control group (P<.001). The incidence of moderate/severe cerebral hemorrhage was 6% (3/47) in the hypothermia group versus 9% (3/35) in the control group (P=.64). In conclusion, neonates with perinatal asphyxia treated with therapeutic hypothermia are at increased risk of thrombocytopenia, without increased risk of cerebral hemorrhage.

scholarly journals Incidence and Risk of Severe Ileus After Orthopedic Surgery: A Case-Control Study

2019 ◽  
Vol 16 (S2) ◽  
pp. 272-279 ◽  
Author(s):  
Lisa A. Mandl ◽  
Mayu Sasaki ◽  
Jingyan Yang ◽  
Sara Choi ◽  
Kelianne Cummings ◽  
...  
Keyword(s):  
Orthopedic Surgery ◽  
Case Control Study ◽  
Conditional Logistic Regression ◽  
International Classification Of Diseases ◽  
Case Control ◽  
Orthopedic Procedures ◽  
Retrospective Case ◽  
Full Diet ◽  
Increased Risk ◽  
Control Study

Abstract Background Post-operative ileus (POI) is common and can be associated with significant morbidity. Questions/Purposes We aimed to identify the incidence of and risk factors associated with severe post-operative ileus (SPOI) after elective orthopedic surgery. Methods We conducted a retrospective case–control study of patients undergoing elective orthopedic procedures at a single musculoskeletal specialty hospital. SPOI cases matched 1:2 to non-POI controls. International Classification of Diseases, Ninth Revision (ICD-9), codes were used to identify patients who were coded as having an episode of POI. After chart review, a subset was classified as clinical SPOI cases, based on set criteria. Regression models were constructed to identify variables associated with SPOI. Results Of 273 POI cases, 77 (28.2%) were classified as SPOI. Overall rates of SPOI were 2.74/1000 orthopedic discharges, with SPOI most common in spine surgeries (9.07/1000 spine procedure discharges). Hypothesis-generating multivariable conditional logistic regression suggested that, for hip and knee cases, not being on a full diet by post-operative day (POD) 2 posed an increased risk of SPOI. For spine cases, not being on a full diet on POD 2 and longer surgery times were associated with risk of SPOI. Conclusions In this retrospective case–control study, patients undergoing elective orthopedic procedures who had not progressed to full diet by POD 2 and spine patients with longer operative times were most at risk for SPOI. These data can be used clinically by peri-operative physicians to stratify patients according to risk.

Case-Control Study of Antibiotic Use and Subsequent Clostridium difficile–Associated Diarrhea in Hospitalized Patients

2008 ◽  
Vol 29 (1) ◽  
pp. 44-50 ◽  
Author(s):  
Roger Baxter ◽  
G. Thomas Ray ◽  
Bruce H. Fireman
Keyword(s):  
Clostridium Difficile ◽  
Case Control Study ◽  
Gastrointestinal Disease ◽  
Healthcare Delivery ◽  
Case Control ◽  
Healthcare Delivery System ◽  
Retrospective Case ◽  
Increased Risk ◽  
And Control ◽  
Control Study

Objective.To determine which antibiotics increase or decrease the risk of Clostridium difficile-associated diarrhea (CDAD).Design.Retrospective case-control study.Setting.Nonprofit, integrated healthcare delivery system in Northern California.Patients.Study participants included patients with cases of hospital-acquired CDAD that occurred during the period from 1999 through 2005 (n = 1,142) and control patients (n = 3,351) matched for facility, calendar quarter during which hospitalization occurred, diagnosis related group for the index hospitalization, and length of hospital stay. All case and control patients had received antibiotics in the 60 days before the index date. For each antibiotic, the risk of CDAD was examined in relation to whether the patient received the antibiotic, after adjustment for use of other antibiotics, demographic characteristics, selected health conditions, and use of healthcare services.Results.The following antibiotics were associated with a significantly increased risk of acquiring CDAD: imipenem-cilastin (odds ratio [OR], 2.77), clindamycin (OR, 2.31), cefuroxime (OR, 2.16), moxifloxacin (OR, 1.88), ceftazidime (OR, 1.82), cefpodoxime (OR, 1.58), ceftizoxime (OR, 1.57), and ceftriaxone (OR, 1.49). Metronidazole and doxycycline were associated with a significantly reduced risk of CDAD (OR for metronidazole, 0.67; OR for doxycycline, 0.41). Other factors associated with an increased risk of CDAD were older age, longer hospital stays, use of proton pump inhibitors, prior gastrointestinal disease, and prior infection (not including C. difficile infection.)Conclusions.Some antibiotics appear to increase the risk of acquiring CDAD, notably clindamycin, third-generation cephalosporins, and carbapenems, whereas metronidazole and doxycycline appear to be protective, compared with other antibiotics.

scholarly journals 791. Evaluation of NSAID Exposure as a Risk Factor for Clostridium difficile infection: A Propensity-Score-Matched Case-Control Study

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S439-S439
Author(s):  
Adam M Ressler ◽  
Alieysa Patel ◽  
Krishna Rao
Keyword(s):  
Logistic Regression ◽  
Risk Factor ◽  
Propensity Score ◽  
Case Control Study ◽  
Case Control ◽  
Comorbid Disease ◽  
Retrospective Case ◽  
Increased Risk ◽  
Study Population ◽  
Control Study

Abstract Background Exposure to certain medications, particularly antibiotics and proton pump inhibitors, has been associated with increased risk for Clostridium difficile infection (CDI). Studies have suggested an increased risk for CDI associated with exposure to certain non-steroidal anti-inflammatory drugs (NSAIDs). We conducted a retrospective case-control study to evaluate the risk for CDI associated with NSAID use. Methods The population included 1338 patients tested for CDI from February–December 2016 at the University of Michigan. NSAID use within 30 days of CDI testing was determined by chart review. Both scheduled and as-needed NSAID use met the definition for exposure, but aspirin use alone did not. Additional clinical data such as comorbid disease and baseline laboratory parameters were extracted through electronic query. A random forest model imputed missing data. A propensity score for NSAID use was developed via logistic regression and included gender, back pain, baseline serum creatinine, osteoarthritis, rheumatoid arthritis, serum albumin, and use of anticoagulant or antiplatelet medications. Cases were matched 1:1 with C. difficile negative controls by propensity score, with a matching caliper of 0.2 x standard deviation of the logit of the score. The final study population consisted of 1256 cases and their matched controls, however 6 cases could not be matched to controls as none had scores within the matching caliper. Conditional logistic regression was used to compare cases to controls. Results NSAID use was similar between the two groups on unadjusted analyses. The adjusted, multivariable model demonstrates that non-aspirin NSAID use is not a significant risk factor for CDI (P =.816), after adjustment for comorbid disease burden, age, and history of prior CDI (Table). Older age and prior CDI were independent risk factors for CDI (Table). Table Study population and modeling results Conclusion In this retrospective case-control study, non-aspirin NSAID use was not associated with an increased risk of CDI. To our knowledge, this is the first study of NSAID use as a risk factor for CDI that accounted for bias due to treatment assignment using a propensity score. Future studies should account for frequency or chronicity of NSAID use, which may affect the results. Disclosures Krishna Rao, MD, MS, Bio-K+ International, Inc. (Consultant)Merck and Co., Inc. (Research Grant or Support)Roche Molecular Systems, Inc. (Consultant)

scholarly journals COVID-19 ASSOCIATED MUCORMYCOSIS: A CASE-CONTROL STUDY

2021 ◽  
Author(s):  
Dulari Gupta ◽  
Rahul Kulkarni ◽  
Shripad Pujari ◽  
Atul Mulay
Keyword(s):  
Risk Factors ◽  
Confidence Interval ◽  
Case Control Study ◽  
Tertiary Care ◽  
Multivariate Regression Analysis ◽  
Case Control ◽  
Retrospective Case ◽  
Time Period ◽  
Increased Risk ◽  
Control Study

Background: India has seen a surge in COVID-19 associated mucormycosis (CAM) cases during the second wave of the pandemic. We conducted a study to determine independent risk factors for CAM. Methods: We performed a retrospective case control study in a tertiary care private hospital in Pune, India. Fifty-two cases of CAM were compared with 166 concurrent controls randomly selected from the COVID-19 admissions during the same time period. Association of demographic factors, comorbidities, cumulative steroid dose used (calculated as dexamethasone equivalent), maximum respiratory support required, use of injectable/oral anticoagulation, and use of aspirin with CAM was assessed by univariate and multivariate logistic regression. Results: A total of 218 subjects (52 cases; 166 controls) were studied. Any diabetes (pre-existing diabetes and new onset diabetes during COVID-19) was noted in a significantly higher proportion of cases (73.1%, 45.8% P<0.001) and cumulative dexamethasone dose used in cases was significantly greater (97.72 mg vs 60 mg; P=0.016). In a multivariate regression analysis cumulate dexamethasone dose >120 mg (OR 9.03, confidence interval 1.75-46.59, P=0.009) and any diabetes (OR 4.78, confidence interval 1.46-15.65, P=0.01) were found to be risk factors for CAM. While use of anticoagulation (OR 0.01, confidence interval 0.00-0.09, P<0.001) and use of aspirin (OR 0.02, confidence interval 0.01-0.07, P<0.001) were found to be protective against CAM. Conclusion: Diabetes mellitus and cumulative dose of dexamethasone greater than 120 mg (or equivalent dose of other corticosteroid) were associated with an increased risk of CAM while use of aspirin and anticoagulation were associated with a lower risk.

scholarly journals An outbreak and case-control study of Salmonella Havana linked to alfalfa sprouts in South Australia, 2018

2019 ◽  
Vol 43 ◽  
Author(s):  
Stephen Harfield ◽  
Rebecca Beazley ◽  
Emma Denehy ◽  
Alessia Centofanti ◽  
Paul Dowsett ◽  
...  
Keyword(s):  
Case Control Study ◽  
South Australia ◽  
Case Control ◽  
Epidemiological Investigation ◽  
Retrospective Case ◽  
Trace Back ◽  
Increased Risk ◽  
Study Results ◽  
Alfalfa Sprouts ◽  
Control Study

An epidemiological investigation and a retrospective case-control study were conducted into an outbreak of Salmonella Havana in alfalfa sprouts, in Adelaide, Australia. In total, 31 cases of S. Havana were notified during June and July 2018 and linked to the outbreak. Eighteen cases and 54 unmatched controls were included in a case-control study. Results from the case-control study indicated an increased risk of illness linked to the consumption of alfalfa sprouts; this was supported by trace-back, sampling and environmental investigations. This outbreak of S. Havana was caused by consumption of alfalfa sprouts from one local sprouts producer. It is unclear as to when in the production of alfalfa sprouts the contamination occurred. However, contaminated seeds and poor pest control are the most likely causes. This investigation highlights the importance of ensuring that producers take appropriate action to minimise the likelihood of contamination and to comply with legislation and standards for primary production and food safety.

scholarly journals Risk factors associated with progressive myelomalacia in dogs with complete sensorimotor loss following intervertebral disc extrusion: a retrospective case-control study

2019 ◽  
Vol 15 (1) ◽  
Author(s):  
Aude Castel ◽  
Natasha J. Olby ◽  
Hongyu Ru ◽  
Christopher L. Mariani ◽  
Karen R. Muñana ◽  
...  
Keyword(s):  
Risk Factors ◽  
Intervertebral Disc ◽  
Pain Perception ◽  
Case Control Study ◽  
Case Control ◽  
Control Group ◽  
Retrospective Case ◽  
Increased Risk ◽  
Control Study ◽  
Disc Extrusion

Abstract Background Progressive myelomalacia (PMM) is a usually fatal complication of acute intervertebral disc extrusion (IVDE) in dogs but its risk factors are poorly understood. The objective of this retrospective case-control study was to identify risk factors for PMM by comparing dogs with complete sensorimotor loss following IVDE that did and did not develop the disease after surgery. We also investigated whether any risk factors for PMM influenced return of ambulation. Medical records of client-owned dogs with paraplegia and loss of pain perception that underwent surgery for IVDE from 1998 to 2016, were reviewed. Dogs were categorized as PMM yes or no based on clinical progression or histopathology. Walking outcome at 6 months was established. Signalment, onset and duration of signs (categorized), steroids, non-steroidal anti-inflammatory drugs (yes or no), site of IVDE (lumbar intumescence or thoracolumbar) and longitudinal extent of IVDE were retrieved and their associations with PMM and walking outcome were examined using logistic regression. Results One hundred and ninety seven dogs were included, 45 with and 152 without PMM. A 6-month-outcome was available in 178 dogs (all 45 PMM dogs and 133 control dogs); 86 recovered walking (all in the control group). Disc extrusions at the lumbar intumescence were associated with PMM (p = 0.01, OR: 3.02, CI: 1.3–7.2). Surgery performed more than 12 h after loss of ambulation was associated with PMM (OR = 3.4; CI = 1.1–10.5, p = 0.03 for 12-24 h and OR = 4.6; CI = 1.3–16.6, p = 0.02 for the > 24 h categories when compared with the ≤12 h category). Treatment with corticosteroids was negatively associated with PMM (OR: 3.1; CI: 1.3–7.6, p = 0.01). The only variable to affect walking outcome was longitudinal extent of IVDE (OR = 2.6; CI = 1.3–5.3, p = 0.006). Conclusion Dogs with lumbar intumescence IVDE are at increased risk of PMM. Timing of surgery and corticosteroid use warrant further investigations. PMM and recovery of walking are influenced by different factors.

Early feeding after total laryngectomy results in shorter hospital stay without increased risk of complications: a retrospective case-control study

2015 ◽  
Vol 40 (6) ◽  
pp. 587-592 ◽  
Author(s):  
C.M.C. Serbanescu-Kele ◽  
G.B. Halmos ◽  
J. Wedman ◽  
B.F.A.M. van der Laan ◽  
B.E.C. Plaat
Keyword(s):  
Hospital Stay ◽  
Total Laryngectomy ◽  
Case Control Study ◽  
Case Control ◽  
Early Feeding ◽  
Retrospective Case ◽  
Increased Risk ◽  
Control Study

scholarly journals Risk of early-onset dementia among persons with tinnitus: a retrospective case–control study

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Yen-Fu Cheng ◽  
Sudha Xirasagar ◽  
Tzong-Han Yang ◽  
Chuan-Song Wu ◽  
Yi-Wei Kao ◽  
...  
Keyword(s):  
Early Onset ◽  
Case Control Study ◽  
Age Groups ◽  
Case Control ◽  
Research Database ◽  
Retrospective Case ◽  
Early Onset Dementia ◽  
Increased Risk ◽  
Taiwan National Health Insurance ◽  
Control Study

AbstractHigher rates of poor cognitive performance are known to prevail among persons with tinnitus in all age groups. However, no study has explored the association between tinnitus and early-onset dementia. We hypothesize that tinnitus may precede or occur concurrently with subclinical or early onset dementia in adults younger than 65 years of age. This case–control study used data from the Taiwan National Health Insurance Research Database, identifying 1308 patients with early-onset dementia (dementia diagnosed before 65 years of age) and 1308 matched controls. We used multivariable logistic regressions to estimate odds ratios (ORs) for prior tinnitus among patients with dementia versus controls. Among total 2616 sample participants, the prevalence of prior tinnitus was 18%, 21.5% among cases and 14.5% among controls (p < 0.001). Multivariable logistic regression showed and adjusted OR for prior tinnitus of 1.6 for cases versus controls (95% CI: 1.3 ~ 2.0). After adjusting for sociodemographic characteristics and medical co-morbidities, patients with early-onset dementia had a 67% higher likelihood of having prior tinnitus (OR = 1.628; 95% CI = 1.321–2.006). Our findings showed that pre-existing tinnitus was associated with a 68% increased risk of developing early-onset dementia among young and middle-aged adults. The results call for greater awareness of tinnitus as a potential harbinger of future dementia in this population.

Sign in / Sign up

Export Citation Format

Share Document