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Lennon, Ryan J

0000-0002-8366-8422

Mayo Clinic

Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA.

Citations 5

Role of rheumatoid arthritis flare in the risk of Alzheimer’s disease and related dementias: a population-based cohort study
Kodishala, Chanakya , George, Roslin Jose , Javed, Rizwan , Lovering, Edward , Crowson, C. S., Lennon, Ryan J. , Hulshizer, C. A., Myasoedova, Elena , Kodishala, Chanakya , Jose George, R , Lennon, Ryan J , Myasoedova, Elena , Javed, R

Scandinavian Journal of Rheumatology | June 3, 2025 | Volume: 54 | Issue: 5 | Pages: 331-338

10.1080/03009742.2025.2503055 Get It

Baseline Clinical Factors Are Associated With Risk of Complications in Crohn's Disease: Appraisal of the American Gastroenterological Association Clinical Care Pathway
Santiago, Priscila , Lennon, Ryan J. , Rui, Shumin, Rajauria, Palak , Friton, Jessica, Raffals, Laura E. , Deepali, Fnu , Daoud, Nader , Farraye, Francis A. , Tuck, Jaclyn , Shapiro, Jason M. , Shah, Samir A. , Lennon, Ryan J , Rajauria, Palak , Farraye, Francis A , Malik, Talha , Leleiko, Neal S , Shapiro, Jason , Shah, Samir A , Sands, Bruce E , Coelho–Prabhu, Nayantara , Malik, Talha A. , LeLeiko, Neal S. , Ungaro, Ryan C.

American Journal of Gastroenterology | September 15, 2023 | Volume: 119 | Issue: 1 | Pages: 147-154

10.14309/ajg.0000000000002498 Get It

INTRODUCTION: The American Gastroenterological Association (AGA) has compiled risk factors that may be predictive of disease complications in Crohn's disease (CD) and ulcerative colitis (UC). The aim of this study was to evaluate the performance of the AGA risk factors for risk stratification in UC and CD. METHODS: We included participants of 2 cohorts: the Ocean State Crohn's and Colitis Area Registry cohort and the Mayo Clinic cohort. Baseline clinical risk factors were extracted according to the AGA pathway. Our primary end point was defined as follows: (i) any inflammatory bowel disease related–hospitalization, (ii) any inflammatory bowel disease–related bowel surgery, or (iii) any progression of disease. We analyzed the association of the number of AGA risk factors with our end point. Statistical multivariable modeling was performed with Cox proportional hazards model. RESULTS: A total of 412 patients with CD were included. Comparing ≥3 risk factors with 0–1 risk factor, we found a significantly increased risk of complications in both the Ocean State Crohn's and Colitis Area Registry cohort (hazard ratio [HR] 2.75, 95% confidence interval 1.71–4.41) and Mayo Clinic cohort (HR 2.07, 95% confidence interval 1.11–3.84). Diagnosis at younger age (HR 2.07), perianal disease (HR 1.99), and B2/B3 behavior (HR 1.92) were significantly associated with disease complications. We did not observe a consistent association between number of risk factors nor any specific individual risk factors and risk of disease complications in the 265 patients with UC included. DISCUSSION: We found a significant association between the number of AGA risk factors and the risk of disease complication in CD; this association was not significant in UC. The presence of ≥ 3 risk factors in CD leads to the highest risk of complications. The AGA care pathway is a useful tool to stratify patients who are at higher risk of disease complications in patients with CD.
Sex‐Specific Differences in Clinical Outcomes After Percutaneous Coronary Intervention: Insights from the TAILOR‐PCI Trial
Madan, Mina , Abbott, J. Dawn , Lennon, Ryan J. , So, Derek , MacDougall, Andrea, McLaughlin, Mary Ann , Murthy, Vishakantha , Saw, Jacqueline , Rihal, Charanjit S. , Farkouh, Michael E. , Pereira, Naveen L. , Abdul‐Nour, Khaled, Dehghani, Payam , Doll, Josh, El‐Hajjar, Mohammed, Ginete, Wilson , Bachuwar, Alok, Graham, John, Guild, Cameron, Campbell, William W., Kostopoulis, Louie, Lane, Gary E. , Marzo, Kevin , O’Cochlain, Fearghas, Overgaard, Christopher B., Dzavik, Vlad, Raveendran, Ganesh , Reimers, Carl D., Garratt, Kirk N. , Saucedo, Jorge , Levisay, Justin , Suresh, D. P., Sweeney, John P., Tiong, Irving, Weitz, Steven, Wu, Alan H.B. , Lennon, Ryan J , So, Derek Y , Rihal, Charanjit S. , Goodman, Shaun G , Dawn Abbott, J , Goodman, Shaun G. , Abdul-Nour, Khaled, Darki, Amir , El-Hajjar, Mohammed C., Escobedo, Jorge , Frank, Adam, Goldberg, Ronald B , Campbell, William, Kim, Sang‐Wook , Lim, Hong‐Seok , Nazif, Tamim , Džavík, Vladimír , Razzouk, Louai , Reimers, Carl, Suresh, D.P., Weitz, Steven

Journal of the American Heart Association | June 14, 2022 | Volume: 11 | Issue: 12 | Pages: No page available

10.1161/jaha.121.024709 Get It

Background TAILOR‐PCI (Tailored Antiplatelet Initiation to Lessen Outcomes due to decreased Clopidogrel Response After Percutaneous Coronary Intervention) studied genotype‐guided selection of antiplatelet therapy after percutaneous coronary intervention versus conventional therapy with clopidogrel. The presence of CYP2C19 loss‐of‐function alleles in patients treated with clopidogrel may be associated with increased risk for ischemic events. We report a prespecified sex‐specific analysis of genotyping and associated cardiovascular outcomes from this study. Methods and Results Associations between sex and major adverse cardiac events (MACE: cardiovascular death, myocardial infarction, stroke, stent thrombosis, and severe recurrent ischemia) and Bleeding Academic Research Consortium (BARC) bleeding at 12 months were analyzed using Cox proportional‐hazards models. Among 5276 randomized patients, loss‐of‐function carriers were observed in ≈36% of both sexes, and >80% of carriers were heterozygotes. At 12 months, after adjustment for baseline differences, risks of MACE (HR , 1.28 [0.97 to 1.68]; P =0.088) and BARC bleeding (hazard ratio [HR], 1.36 [0.91 to 2.05]; P =0.14) were comparable among women and men. There were no significant interactions between sex and treatment strategy for MACE interaction P value ( P int =0.59) or BARC bleeding ( P int =0.47) nor for sex and genotype (MACE P int =0.15, and BARC bleeding P int =0.60). Conclusions CYP2C19 loss‐of‐function alleles were present in ≈1 in 3 women and men. Women had similar adjusted risks of MACE and bleeding as men following percutaneous coronary intervention. Genotype‐guided therapy did not significantly reduce the risk of MACE or bleeding relative to conventional therapy for both sexes. Registration URL: https://www.clinicaltrials.gov ; Unique identifier: NCT01742117.
ABCD‐GENE Score and Clinical Outcomes Following Percutaneous Coronary Intervention: Insights from the TAILOR‐PCI Trial
Angiolillo, Dominick J. , Lennon, Ryan J. , Goodman, Shaun G. , Kim, Sang‐Wook , O’Cochlain, Fearghas, So, Derek , Sweeney, John P., Rihal, Charanjit S. , Farkouh, Michael E. , Pereira, Naveen L. , Capodanno, Davide , Angiolillo, Dominick J , Lennon, Ryan J , Goodman, Shaun G , Kim, Sang-Wook , O'Cochlain, Fearghas, So, Derek Y , Sweeney, John , Rihal, Charanjit S. , Pereira, Naveen L

Journal of the American Heart Association | February 8, 2022 | Volume: 11 | Issue: 4 | Pages: No page available

10.1161/jaha.121.024156 Get It

Background In TAILOR‐PCI, genotype‐guided selection of P2Y 12 inhibitors after percutaneous coronary intervention did not significantly reduce the risk of ischemic events at 12 months. The Age, Body Mass Index, Chronic Kidney Disease, Diabetes, and Genotyping (ABCD‐GENE) score identifies patients with high platelet reactivity on clopidogrel at increased risk of ischemic events. The aim of this study was to investigate the value of the ABCD‐GENE score for tailoring P2Y 12 inhibitor selection after percutaneous coronary intervention. Methods and Results In a post hoc analysis of the TAILOR‐PCI, outcomes were analyzed by ABCD‐GENE score and allocation to genotype‐guided or conventional P2Y 12 inhibitor selection. Primary (death, myocardial infarction, or stroke) and secondary (cardiovascular death, myocardial infarction, stroke, stent thrombosis, or severe recurrent ischemia) outcomes were assessed. Among 3883 patients discharged on clopidogrel in the genotype‐guided and conventional therapy groups, 15.8% and 84.2% had high (≥10 points) or low (<10) ABCD‐GENE scores, respectively. At 12 months, both the primary (5.2% versus 2.6%, P <0.001) and secondary outcomes (7.7% versus 4.6%, P =0.001) were significantly increased in patients with high ABCD‐GENE score. Among 4714 patients allocated to genotype‐guided or conventional therapy, the former did not significantly reduce the 12‐month risk of the primary and secondary outcomes in both the high and low ABCD‐GENE score groups (p interaction =0.48 and 0.27, respectively). Conclusions Among patients with percutaneous coronary intervention on clopidogrel, the ABCD‐GENE score was helpful in identifying those at higher risk. The ABCD‐GENE score may potentially enhance the precision of tailored selection of P2Y 12 inhibitors, which needs to be confirmed in prospective investigations. Clinical Trial Registration URL: http://www.clinicaltrials.gov . Unique Identifier: NCT01742117.
Relationship Between Body Mass Index and Survival Among Critically Ill Patients With Cirrhosis
Choi, Chansong , Lennon, Ryan J , Choi, Dae Hee, Serafim, Laura Piccolo, Allen, Alina M, Kamath, Patrick S, Shah, Vijay H, Moraes, Alice Gallo de, Simonetto, Douglas A, Simonetto, Douglas A. , Choi, Chansong , De Moraes, Alice Gallo, Simonetto, Douglas A , Choi, Chansong, Lennon, Ryan J, Choi, Dae Hee, Serafim, Laura Piccolo, Allen, Alina M, Kamath, Patrick S, Shah, Vijay H, Moraes, Alice Gallo de, Simonetto, Douglas A

Journal of Intensive Care Medicine | July 5, 2021 | Volume: 37 | Issue: 6 | Pages: 817-824

10.1177/08850666211029827 Get It

Background: Obesity paradox is a phenomenon in which obesity increases the risk of obesity-related chronic diseases but paradoxically is associated with improved survival among obese patients with these diagnoses. Objectives: The aim of this study was to explore the obesity paradox among critically ill patients with cirrhosis admitted to the Intensive Care Unit. Methods: A retrospective cohort of 1,143 consecutive patients with cirrhosis admitted to the ICU between January of 2006 and December of 2015 was analyzed. Primary outcome of interest was in-hospital mortality with secondary end points including ICU and short-term mortality at 30 days post ICU admission. Results: Logistic regression with generalized additive models was used, controlling for clinically relevant and statistically significant factors to determine the adjusted relationship between body mass index (BMI) and ICU, post-ICU in-hospital, and 30 day mortality following ICU discharge. ICU and hospital length of stay was similar across all BMI classes. Adjusted ICU mortality was also similar when stratified by BMI. However, a significant reduction in post-ICU hospital mortality was observed in class I and II obese patients with cirrhosis (BMI 30-39.9 kg/m 2 ) compared to normal BMI (OR = 0.41; 95% CI, 0.20 to 0.83; P = 0.014). Similarly, overweight (BMI 25-29.9 kg/m 2 ) and class I and II obese patients with cirrhosis had significantly lower 30-day mortality following ICU discharge (OR = 0.52, 95% CI 0.31 to 0.87; P = 0.014; OR = 0.50, 95% CI 0.29 to 0.86; P = 0.012, respectively) compared to those with normal BMI. Conclusion: The signal of obesity paradox is suggested among critically ill patients with cirrhosis.