Opioid-sparing analgesia roughly halved ileus after laparoscopic gastrectomy

Design

Prospective randomised controlled trial with serial cine-MRI of bowel motility

Population

130 adults undergoing laparoscopic radical gastrectomy (65 per group)

Primary outcome

Postoperative ileus and bowel motility

Effect

Ileus 9.2% vs 26.2% (risk ratio 0.35, 0.15–0.84; risk difference −16.9 percentage points)

A randomised trial assigned 130 patients having laparoscopic radical gastrectomy to multimodal opioid-sparing analgesia or conventional opioid analgesia, and tracked bowel recovery, including with serial cine-MRI of small-bowel motility.

Postoperative ileus occurred in 9.2% of the opioid-sparing group versus 26.2% with conventional analgesia — a risk ratio of 0.35 and an absolute reduction of about 17 percentage points. The opioid-sparing group also had higher measured bowel-contraction frequency and amplitude, lower opioid exposure and pain scores, and faster gut recovery.

For a general surgeon, this is a concrete, low-cost change: build a multimodal opioid-sparing regimen — regional or wound blocks, paracetamol, NSAIDs where safe, and opioid as rescue — into the gastrectomy pathway, and expect fewer ileus and quicker recovery. It is a single modest trial, so confirm the regimen suits your patients, but the direction is clear and consistent with wider enhanced-recovery evidence.

• Postoperative ileus fell from 26.2% to 9.2% with opioid-sparing analgesia (risk ratio 0.35, 95% CI 0.15–0.84; risk difference about −17 percentage points).
• Measured small-bowel contraction frequency and amplitude were higher on cine-MRI in the opioid-sparing group.
• Opioid exposure, pain scores and time to gut recovery were all lower.
• Build a multimodal opioid-sparing regimen into the gastrectomy pathway, with opioid reserved for rescue.

Why it matters

It turns a general enhanced-recovery principle into a specific, measurable gain after a major upper-GI operation.

Don't overread it

This was a single, modest-sized trial at one centre — a real effect, but the precise magnitude needs confirmation before it is treated as settled.

The statistics, in plain English

A risk ratio of 0.35 means about two-thirds fewer cases of ileus; the interval staying below 1.0 makes the benefit unlikely to be chance, though with only 130 patients the exact size is uncertain. The 17-point absolute drop is what matters at the bedside.

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