# Frailty and Surgical Risk

> Frailty in NEET-PG Surgery: Fried phenotype, Clinical Frailty Scale, delirium, prehabilitation and how frailty changes operative decisions.

- Canonical URL: https://prepelephant.com/topics/neet-pg/surgery/frailty-and-surgical-risk
- Exam / course: NEET-PG · Subject: Surgery
- Publisher: PrepElephant (https://prepelephant.com) — Prepared and reviewed by the PrepElephant Academic Review Team
- First published: 2026-10-02
- Last updated: 2026-10-02
- How to cite: "Frailty and Surgical Risk", PrepElephant, https://prepelephant.com/topics/neet-pg/surgery/frailty-and-surgical-risk

## Direct answer

Chronological age is a poor proxy for physiological reserve; frailty — reduced homeostatic reserve and heightened vulnerability to stressors — predicts postoperative complications, delirium, institutional discharge and death better than ASA grade or age alone. The Fried phenotype defines frailty as three or more of unintentional weight loss, exhaustion, weak grip strength, slow gait and low physical activity, while the Rockwood Clinical Frailty Scale (1 to 9) is the one-minute bedside tool. Identification changes management: comprehensive geriatric assessment, prehabilitation, minimally invasive or non-operative alternatives, and honest goal-setting with the family. A frail patient is not a contraindication to surgery — a patient to be operated on differently.

## What you must remember

- **Fried phenotype, five criteria:** unintentional weight loss (over 5 percent of body weight in a year), exhaustion, weak grip strength, slow walking speed, low physical activity — 3 or more equals frail, 1–2 pre-frail.
- **Clinical Frailty Scale:** Rockwood 1 (very fit) to 9 (terminally ill); scores of 6 and above mark sharply rising complication and mortality risk.
- **Objective reserve:** sarcopenia quantified by CT (psoas muscle area) tracks operative risk when the phenotype seems borderline.
- **Bedside tests:** Timed Up and Go beyond 10–15 seconds and slow 5-metre gait are quick ward measures worth quoting.
- **Postoperative delirium:** the frail brain's signature complication — screen with CAM, prevent with reorientation, sleep protection, glasses and hearing aids, and avoidance of deliriogenic drugs.
- **Prehabilitation:** 2–6 weeks of resistance and aerobic training, protein supplementation, anaemia correction and smoking cessation wherever the cancer timeline permits.
- **Indian reality:** geriatric surgical volumes are rising, and families carry the caregiving load — discharge planning and caregiver teaching are part of the operation, not an afterthought.

## A typical exam case: the 78-year-old with gallstones

An independent but slow 78-year-old — CFS 5, Timed Up and Go 14 seconds, albumin 3.2 g/dL, haemoglobin 10.5 — has recurrent biliary colic. Reasoning in three moves: her phenotype roughly doubles complication risk, but waiting means an emergency admission at midnight with far higher mortality than a planned operation; so prehabilitate two weeks with nutrition and anaemia correction, offer a laparoscopic cholecystectomy with a low threshold for subtotal conversion to shorten anaesthesia, and wrap the admission in delirium precautions and family-centred discharge planning. The counter-case decides itself: a bedbound CFS 8 patient with the same stones and a life expectancy of months is served by observation, with percutaneous cholecystostomy held in reserve for acute cholecystitis. Between these poles, frailty scoring converts a vague "she is elderly" into a defensible operative decision.

## Where students slip

Equating frailty with age is the first error, and quoting ASA as the answer to "how do you assess this patient's reserve" is the second — ASA grades comorbidity, not reserve, and two 80-year-olds with identical ASA can differ fourfold in outcome by phenotype. The opposite error is treating frailty as a reason not to operate rather than a reason to operate differently: emergency gallstone disease in the frail kills more often than elective definitive surgery, which is why guidelines tilt toward early elective intervention in mild-to-moderate frailty. In vivas, reciting all five Fried criteria in order earns the mark; a general nod to "weakness and weight loss" does not.

## Frequently asked questions

### What are the five Fried frailty phenotype criteria?
Unintentional weight loss, exhaustion, weak grip strength, slow gait speed and low physical activity; three or more define frailty.

### How does frailty compare with ASA grading for risk prediction?
Frailty predicts complications, delirium and mortality independently of, and often better than, ASA, because it measures physiological reserve rather than disease count.

### What is the Clinical Frailty Scale range?
Rockwood's scale runs from 1 (very fit) to 9 (terminally ill), scored from function and activity in about a minute at the bedside.

### Which complication most characterises surgery in the frail?
Postoperative delirium — screened with CAM and prevented with reorientation, sleep protection, sensory aids and avoidance of sedatives.

### How does frailty change the gallstone treatment decision?
Mild-to-moderate frailty favours a planned elective laparoscopic cholecystectomy, while severe frailty favours observation with percutaneous cholecystostomy reserved for acute illness.