
Bariatric surgery reduces costs for patients with type 2 diabetes
A Kaiser Permanente found that bariatric surgery reduced health care costs for adults with type 2 diabetes and obesity. The study was published in the Annals of Internal Medicine in February 2025. “The study shows that both Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) help reduce ...
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Research leads to finding ways to improve outcomes for heart failure patients with chronic kidney disease
Research by physicians at the Kaiser Permanente Los Angeles Medical Center is helping patients with heart failure to transition more smoothly and safely to dialysis if they develop chronic kidney disease. ...
Medicaid enrollees less vaccinated during pregnancy across US
Most individuals in the United States who are pregnant are not getting the vaccines that could protect them — and their babies — from COVID-19, flu, and whooping cough, a new study shows. This is ...
Intensive blood pressure control and patients with chronic kidney disease
The benefits of intensive blood pressure shown in the Systolic Blood Pressure Intervention Trial (SPRINT) also helps patients with chronic kidney disease, according to new research led by Kaiser Permanente ...
COVID-19 vaccine protection against hospitalization wanes for the most vulnerable
April 25, 2022Research released in The Lancet Respiratory Medicine shows that a booster dose of the Pfizer COVID-19 vaccine provides strong protection, roughly 80% in the first few months against hospital admissions and emergency department visits caused by the delta and omicron variants. However, against omicron, this protection wanes over time for immunocompromised individuals — even after ...Read more...Heart attacks increased in days after 2020 election
April 20, 2022A Kaiser Permanente study conducted in Southern and Northern California found hospitalizations for heart attack, stroke, and heart failure were 17% higher in the 5 days after the 2020 election than in the same 5 days 2 weeks before the election. The study was published April 20, 2022, in JAMA Network Open. “This study of the ...Read more...Five questions for … Dr. “Charlie” Huang
March 25, 2022Cheng-Wei “Charlie” Huang, MD, is a hospitalist at the Kaiser Permanente Los Angeles Medical Center who has spent recent years also focused on research that can improve care for patients. In addition to his research and clinical duties, Dr. Huang is the assistant program director of the Los Angeles Medical Center’s internal medicine residency, where ...Read more...Shoulder pain rare after vaccination
March 21, 2022Shoulder pain and injury are extremely rare after any type of vaccination in the upper arm, according to pre-pandemic Kaiser Permanente research published March 22, 2022, in Annals of Internal Medicine. Conducted from April 2016 through December 2017, the study found fewer than 1 in 10,000 people reported shoulder injuries in the more than 2.2 million ...Read more...3 doses of Moderna COVID-19 vaccine highly effective against hospitalization from omicron or delta.
February 21, 2022Kaiser Permanente research published Feb. 21, 2022, in Nature Medicine shows that while Moderna COVID-19 vaccine protection is strong against coronavirus infection by the delta variant, it is not as strong against infection from the omicron variant. Three doses of the Moderna COVID-19 vaccine were highly effective against hospitalization caused by infection from either the omicron ...Read more...Vaccine study looks to prevent E. coli sepsis
February 21, 2022Kaiser Permanente Southern California is participating in a clinical trial of a novel vaccine against invasive E. coli infections in older adults. William Towner, MD, the principal investigator for Kaiser Permanente Southern California, said, “I’m enthusiastic about this cutting-edge research because it has the potential, if successful, to reduce morbidity and mortality from a very common ...Read more...3 doses of Pfizer–BioNTech COVID vaccine better than 2
February 14, 2022A Kaiser Permanente study published February 14, 2022, in The Lancet Regional Health – Americas found that 1 month after a third dose, the Pfizer-BioNTech COVID-19 vaccine effectiveness is higher for preventing infection and hospitalization than 2 doses of the vaccine after 1 month. “When we looked at the effectiveness of the 2 doses of Pfizer–BioNTech ...Read more...Five questions for … Dr. Amandeep Sahota
January 31, 2022Amandeep Sahota, MD, directs the Department of Hepatology at the Kaiser Permanente Los Angeles Medical Center. She is also assistant medical director of Transplant Services for Kaiser Permanente Southern California. In this role, she promotes clinical quality programs, implementation of virtual medicine, and data analytics on chronic diseases outcomes. Her efforts have improved patient access ...Read more...Hospitalized or not, COVID-19 patients put high demands on health system
January 7, 2022A study of Kaiser Permanente Southern California members diagnosed with COVID-19 found that they had frequent health care visits during the month after their diagnosis—whether or not they stayed overnight in the hospital. As reported in the Journal of General Internal Medicine, the average number of visits over 30 days was nearly 7 for patients who ...Read more...Depression screening improves care for patients with cancer
January 4, 2022Kaiser Permanente research published January 4, 2022, in JAMA showed depression screening for patients with newly diagnosed breast cancer was highly effective at identifying patients in need of behavioral health care, and the new screening initiative was subsequently and successfully built into the patient care and daily workflow of medical oncology teams at Kaiser Permanente in Southern ...Read more...