Masao Iwagami
University of Tsukuba
Internal medicineLogistic regressionOdds ratioCardiologyRetrospective cohort studyEmergency medicineCohort studyKidney diseaseDiseaseDementiaAcute kidney injuryICD-10Read codesIncidence (epidemiology)Confidence intervalFamily medicineMedicineCohortPharmacology
158Publications
9H-index
319Citations
Publications 179
Newest
#1Toshiki Kuno (Montefiore Medical Center)H-Index: 2
#2Yoshihisa Miyamoto (UTokyo: University of Tokyo)H-Index: 5
Last. Natalia Egorova (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 28
view all 6 authors...
Tracheostomy is performed for critically ill patients with prolonged endotracheal intubation including COVID-19 to mitigate the risk of airway complications. We analyzed the difference in mortality of COVID-19 patients undergoing early tracheostomy within 14 days of intubation compared to later tracheostomy than 14 days after intubation. The mortality was not significantly higher in early tracheostomy compared to later tracheostomy.
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#1Shimpei Matsui (Lond: University of London)
#2Yosuke FukunagaH-Index: 23
Last. Hiroshi KawachiH-Index: 67
view all 8 authors...
Background null Lavage cytology is a method to detect cancer cells released within the abdominal cavity. It has been widely utilized, particularly for gastric cancer. However, its clinical significance has not yet been determined in colorectal cancer. null Objective null This study aimed to investigate the frequency of lavage cytology positivity and its influence on the prognosis of colorectal cancer patients. null Design null This was a single-institution retrospective observational study. null...
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#1Toshiki Kuno (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 2
#2Yuki Sahashi (YCU: Yokohama City University)H-Index: 3
Last. Natalia Egorova (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 28
view all 6 authors...
We aimed to create the prediction model of in-hospital mortality using machine learning methods for patients with coronavirus disease 2019 (COVID-19) treated with steroid and remdesivir. We reviewed 1571 hospitalized patients with laboratory confirmed COVID-19 from the Mount Sinai Health System treated with both steroids and remdesivir. The important variables associated with in-hospital mortality were identified using LASSO (least absolute shrinkage and selection operator) and SHAP (SHapley Add...
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#1Toshiki Kuno (Albert Einstein College of Medicine)H-Index: 1
#2Yoshihisa Miyamoto (UTokyo: University of Tokyo)H-Index: 5
Last. Natalia Egorova (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 28
view all 7 authors...
BACKGROUND: Bleeding events can be critical in hospitalized patients with COVID-19, especially those with aggressive anticoagulation therapy. AIM: We aimed to investigate whether hemoglobin drop was associated with increased risk of acute kidney injury (AKI) and in-hospital mortality among patients with COVID-19. DESIGN: Retrospective cohort study. METHODS: This retrospective study was conducted by review of the medical records of 6,683 patients with laboratory confirmed COVID-19 hospitalized in...
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#1Toshiki Kuno (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 15
#2Yoshihisa Miyamoto (UTokyo: University of Tokyo)H-Index: 5
Last. Natalia Egorova (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 28
view all 6 authors...
Background null Remdesivir has been shown to decrease SARS-CoV-2 viral loads and the duration of COVID-19 symptoms. However, current evidence regarding the association between remdesivir and in-hospital mortality for patients with COVID-19 steroid treatments is limited. We aimed to investigate whether remdesivir reduces in-hospital mortality among patients with COVID-19 treated with steroids. null Methods null In this retrospective multicentre study, we reviewed the medical records of 3372 patie...
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#5Nobuyuki Ebihara (Juntendo University)H-Index: 27
#6Kumiko Fujisawa (UTokyo: University of Tokyo)H-Index: 4
Last. Mitsuhiro Okano (International University of Health and Welfare)H-Index: 30
view all 17 authors...
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#1Yuta Taniguchi (University of Tsukuba)H-Index: 2
#2Masao Iwagami (University of Tsukuba)H-Index: 9
Last. Nanako Tamiya (University of Tsukuba)H-Index: 20
view all 6 authors...
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#1Toshiki Kuno (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 2
We aimed to investigate whether hospitalizations of patients who tested positive for coronavirus disease 2019 (COVID-19) antibodies are associated with reduced in-hospital mortality. Of the 2459 patients admitted due to COVID-19 and tested for antibodies, 937 (38.1%) had positive tests. After adjustment for patient characteristics and treatments, patients with positive COVID-19 antibody test had lower in-hospital mortality compared with those with negative test results (odds ratio [OR]: 0.62; 95...
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#5Michelle S. JohnsonH-Index: 28
Summary null null Background null Uncertainty remains concerning the association of blood cholesterol with the risk of subsequent dementia. Using data from people with lipid measurements in the UK Clinical Practice Research Datalink (CPRD), we examined the association between blood lipid levels and dementia (both vascular and non-vascular, including Alzheimer's disease) by age at first measurement of blood lipids and duration of follow-up. null null null Methods null We studied a cohort from the...
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Abstract null null Background null The optimal anticoagulation strategy for patients with bioprosthetic valves and atrial fibrillation remains uncertain. We conducted a meta-analysis using updated evidence comparing direct anticoagulants (DOACs) and vitamin K antagonists (VKAs) in patients with bioprosthetic valves and atrial fibrillation. null null null Methods null Medline and Embase were searched through March 2021 to identify randomized controlled trials (RCTs) and observational studies inve...
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