Frailty-aware surgical care: Validation of Hospital Frailty Risk Score (HFRS) in older surgical patients.

Introduction: Frailty has an important impact on the health outcomes of older patients, and frailty screening is recommended as part of perioperative evaluation. The Hospital Frailty Risk Score (HFRS) is a validated tool that highlights frailty risk using 109 International Classification of Diseases, 10th revision (ICD-10) codes. In this study, we aim to compare HFRS to the Charlson Comorbidity Index (CCI) and validate HFRS as a predictor of adverse outcomes in Asian patients admitted to surgical services. Method: A retrospective study of electronic health records (EHR) was undertaken in patients aged 65 years and above who were discharged from surgical services between 1 April 2022 to 31 July 2022. Patients were stratified into low (HFRS <5), interme-diate (HFRS 5-15) and high (HFRS >15) risk of frailty. Results: Those at high risk of frailty were older and more likely to be men. They were also likely to have more comorbidities and a higher CCI than those at low risk of frailty. High HFRS scores were associated with an increased risk of adverse outcomes, such as mortality, hospital length of stay (LOS) and 30-day readmission. When used in combination with CCI, there was better prediction of mortality at 90 and 270 days, and 30-day readmission. Conclusion: To our knowledge, this is the first validation of HFRS in Singapore in surgical patients and confirms that high-risk HFRS predicts long LOS (≥7days), increased unplanned hospital readmissions (both 30-day and 270-day) and increased mortality (inpatient, 10-day, 30-day, 90-day, 270-day) compared with those at low risk of frailty.

Quality improvement initiative: how the setting up of an anaesthesia consultant-led perioperative outreach service addressed anaesthesia-specific issues to improve anaesthesia consult and surgery timings for hip fracture patients.

BACKGROUND: Surgery is recommended within 48 hours of hip fractures for better perioperative outcomes. Yet, such targets still commonly remain a challenge. Our institution is no exception.As part of a hospital-wide initiative, our anaesthesia department focused on improving perioperative processes with aims to reduce the time to first anaesthesia consult and surgery for hip fracture patients. Acknowledging multiple causes for surgical delay, we decided first to address anaesthesia-specific factors-(a) first anaesthetist contact usually happens after surgery is offered which leaves a short runway for preoptimisation, (b) this is compounded by varying degrees of anaesthetist involvement for follow-up thereafter. (c) There is a need to calibrate our perioperative care standards and (d) enforce more consistent auditing in quality assurance. This project was conducted in a 1000-bed hospital serving eastern Singapore. INTERVENTION: We created an integrated anaesthesia consultant-led outreach service for hip fracture patients, based on a perioperative workflow system to provide proactive anaesthetist consults within 24 hours of admission in advance of surgical decision. This was streamlined with a coordinated follow-up system for preoptimisation until surgery. METHODS: Our quality improvement project applied the iterative Plan-Do-Study-Act model from pilot to sustainability stage. We collected data at baseline followed by 6-monthly audits from electronic databases.Primary outcomes measured were time to first anaesthesia consult and surgery. Secondary outcomes included rate of critical care reviews and admission, mortality rate, length of stay and time to nerve blocks. RESULTS: Post implementation, our service reviewed >600 hip fracture patients. Median time to anaesthesia consult reduced significantly from 35.3 hours (2019) to 21.5 hours (2021) (p=0.029). Median time to surgery was reduced from 61.5 hours (2019) to 50 hours (2021) (p=0.897) with a 13.6% increase in patients operated <48 hours. Critical care admissions, 6-monthly and 12-monthly mortality rates and time to nerve block were reduced with a greater percentage of patients discharged within 10 days. CONCLUSION: Our project focused on improving anaesthesia perioperative processes to address surgical delays in hip fracture patients. Our consultant-led anaesthesia service ensured that proactive anaesthesia care was delivered to provide sufficient time for preoptimisation with greater standardisation to follow-up, better communication and quality assurance.

Anaesthesia challenges of a parturient with paramyotonia congenita and terminal filum lipoma presenting for labour and caesarean section under epidural anaesthesia - a case report.

BACKGROUND: Paramyotonia congenita is a rare autosomal dominant myopathy which presents with periodic weakness due to cold and exercise. It is caused by mutations of the SCN4 gene which encodes the sodium channel in skeletal muscles. CASE PRESENTATION: We report a full term obstetric patient with both paramyotonia congenita and terminal filum lipoma who presents for induction of labour followed by an emergency caesarean section performed under epidural anesthesia. Her recovery is subsequently complicated by a 3-day history of postpartum paraparesis attributed to hypokalemic periodic paralysis. CONCLUSION: We describe the perioperative anesthesia considerations and challenges in this case with a review of the current literature. This case report highlights the importance of early proactive and collaborative multidisciplinary approach, maintaining normal temperature and electrolytes with a heightened vigilance for muscle-related perioperative complications.