Anemia Clinical Trial
Official title:
Preoperative Anemia Among the Elderly Undergoing Major Abdominal Surgery: Impact on Healthcare Outcomes
NCT number | NCT03497416 |
Other study ID # | PANAMA |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | October 3, 2017 |
Est. completion date | October 2019 |
Preoperative anemia is a known risk factor for morbidity, mortality and increased healthcare
resource utilisation. The Investigator's previous study demonstrated the rate of preoperative
anemia in Singapore General Hospital (SGH) to be at 26.6%. The rate is highest in the elderly
group which stands at 49.9%. The main objective of this study is to investigate the
perioperative morbidity and mortality, blood transfusion rate, healthcare outcomes and
patient-centric outcomes among anemic elderly patients undergoing major surgery. The
investigators hypothesize that elderly patients who undergoes major abdominal surgery with
preoperative anemia will have higher composite morbidity and mortality rates (primary
outcome), longer length of hospital stay, higher blood transfusion requirements and lower
health-related quality of life (HRQoL) at 1, 3 and 6 months (secondary outcomes) when
compared to elderly patients without preoperative anemia. The investigators will conduct a
prospective observational study of 450 consecutive patients above 65 years, who are
undergoing elective major open abdominal surgery in SGH over 12 months. Baseline clinical
assessment, including iron studies for anemic patients, will be done within 14 days prior to
surgery. To determine the primary outcome, patients will be followed up prospectively for 30
days from the day of surgery. This will be done via a mixture of medical records review and
phone interview. For secondary outcomes, the length of hospital stay and readmissions for any
reason within 3 and 6 months will be recorded.
HRQoL questionnaires will be done through phone calls by a study team member. Findings from
this study will hopefully fill the knowledge gaps such as how anemia impacts elderly people
in terms of perioperative morbidity, mortality, postsurgical quality of life and their
eventual return to the community as well as providing local data on the healthcare resource
utilisation in this group.
Status | Recruiting |
Enrollment | 450 |
Est. completion date | October 2019 |
Est. primary completion date | October 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 65 Years and older |
Eligibility |
Inclusion Criteria: 1. At least 65 years of age and signed written informed consent. 2. Patients undergoing elective major open abdominal surgery for benign or malignant disease. Exclusion Criteria: 1. Transplantations (specifically patients who are admitted to the hospital for a transplantation and has a transplantation procedure and any additional surgical procedure during the hospitalisation will be excluded; any operation done after the patient has been discharged from the transplantation stay will be included) 2. Inability to comprehend and/or perform study procedures in the investigator's opinion. |
Country | Name | City | State |
---|---|---|---|
Singapore | Singapore General Hospital | Singapore |
Lead Sponsor | Collaborator |
---|---|
Singapore General Hospital | National Medical Research Council (NMRC), Singapore |
Singapore,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Preoperative anemia and patient's health related quality of life (HRQoL) | To determine the association between preoperative anemia and HRQoL as demonstrated by the EQ-5D scores at baseline, 1, 3 and 6 months post-surgery | 1,3 and 6 months from index surgery | |
Primary | Preoperative anemia and morbidity | To determine the association between preoperative anemia and morbidity at the 5th postoperative day (POD) as indicated by presence of any Post-Operative Morbidity Survey (POMS) defined complications. | 5 days from surgery | |
Secondary | Preoperative anemia and 30-day morbidity using POMS | To determine the association between preoperative anemia and trend of POMS-defined complications for the first 30 post-operative days | 1 month from index surgery | |
Secondary | Preoperative anemia and 30-day morbidity using Comprehensive Complication Index | To determine the association between preoperative anemia and severity of postoperative complications within 30-days postoperatively using the Clavien Dindo Classification system (CDC) and Comprehensive Complication Index (CCI). | 1 month from index surgery | |
Secondary | Preoperative anemia and mortality | To determine the association between preoperative anemia and incidence of 30-day mortality | 1 month from index surgery |
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