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Emergency dialysis during hospitalization for surgery predicts poor outcomes
Surgeons may face unexpected problems during surgery can also affect patient outcomes which have to be dealt according to the situation.
Researchers from Tokyo Medical and Dental University (TMDU) have found in a new study that emergency dialysis during hospitalization for surgery has important implications for post-surgical outcomes. Such patients who received acute dialysis may have significantly higher mortality rates.
The study has been published in International Journal of Surgery.
Kidney disease represents a major risk for complications during surgery, sometimes even leading to death. In some cases, patients with poor kidney function require emergency dialysis prior or subsequent to a surgical procedure, but it is unclear how this affects the risk of functional decline or death after surgery.
"We suspected that patients with impaired kidney function who received urgent dialysis during hospitalization for surgery would have unfavorable outcomes," says Assistant Professor Shintaro Mandai, senior author of the study. "We were also interested in discovering whether the impact of acute dialysis on patient outcomes varied depending on the type of surgery."
To investigate this, the researchers analyzed data from patients admitted to Japanese hospitals from 2018 to 2019. They specifically looked for connections among type of surgery, type of dialysis, and surgical outcomes.
"The results showed that mortality rates were significantly higher in patients who received acute dialysis," states Professor Rai Tatemitsu, senior author of the study. "In particular, mortality rates after the two categories of surgical procedures, hepatic lobectomy/cholecystectomy/pancreatectomy and esophagectomy/gastrectomy, were markedly higher when patients needed acute dialysis than when they were already dependent on maintenance dialysis at admission."
Further analysis showed that having trouble with daily activities such as bathing and grooming prior to surgery was strongly associated with death after surgery. Heart surgery, colorectal resection, and esophagectomy/gastrectomy in particular led to higher mortality, while patients who survived heart surgery and orthopedic surgery were more likely to develop functional challenges after the procedure.
"Our findings demonstrate that patients who undergo post-operative acute dialysis are at much higher risk of mortality than patients on maintenance dialysis," explains Professor Shinichi Uchida, senior author on the study. "Furthermore, mortality risk was not increased with a pre-operative dialysis for any surgical procedure."
These findings suggest that performing dialysis ahead of time for patients with impaired kidney function could enhance the rate of survival, especially after high-risk surgeries. In addition, given that patients who struggled to carry out daily activities prior to surgery were also at increased risk of death, improving patients' functional status before surgery could also help improve outcomes.
REFERENCE:
Yuta Nakano, Shintaro Mandai, Taku Genma, Yuichiro Akagi, Tamami Fujiki, Fumiaki Ando, Koichiro Susa, Takayasu Mori, Soichiro Iimori, Shotaro Naito, Eisei Sohara, Shinichi Uchida, Kiyohide Fushimi, Tatemitsu Rai, Nationwide mortality associated with perioperative acute dialysis requirement in major surgeries, International Journal of Surgery, https://doi.org/10.1016/j.ijsu.2022.106816.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751