Long-Term Outcomes of Laparoscopic Sleeve Gastrectomy with Hiatal Hernia Repair

Laparoscopic sleeve gastrectomy (LSG) combined with hiatal hernia repair shows acceptable long-term outcomes, though hernia recurrence occurs in approximately 13% of patients over time, according to a study published in Obesity Surgery. Researchers found that postoperative gastroesophageal reflux disease (GERD) and the initial size of the hernia are the strongest predictors of whether a hernia will return.

Recurrence Rates and Long-Term Stability

A retrospective cohort study led by Francesco Maria Carrano of Sant’Andrea Hospital, Sapienza University of Rome, tracked 108 patients who underwent combined LSG and hiatal hernia repair between 2014 and 2015. With a median follow-up of 90 months, the data indicates a high rate of initial success: 98.1% of patients remained free from recurrence at the five-year mark.

However, the stability of the repair declines over a longer horizon. The study estimated that freedom from recurrence dropped to 68.9% by 10 years. The researchers noted that the 10-year estimate should be interpreted with caution due to the sample size and follow-up specifics. In total, 14 patients experienced anatomic hernia recurrence, defined as the gastric sleeve migrating more than 2 cm through the hiatus.

The Link Between GERD and Hernia Recurrence

The study highlights a strong correlation between the return of reflux symptoms and the physical recurrence of the hernia. According to the findings, 64.3% of patients with a recurrent hernia also suffered from reflux. Conversely, recurrence was significantly more common in patients with postoperative GERD (26.5%) than in those without it (6.8%).

The research identifies two primary risk factors that increase the likelihood of failure:

• Large Hernias: Patients with preoperative hernias measuring 5 cm or larger had a significantly higher risk (adjusted odds ratio [aOR] 6.41).
• Postoperative GERD: The presence of reflux symptoms served as a strong predictor of recurrence (aOR 6.37).

Surgical Reintervention and Management

Not every anatomic recurrence requires a second operation. Of the 14 patients who experienced hernia recurrence, nine were managed conservatively. Only five required surgical reintervention specifically for the hernia.

Interestingly, the primary reason for reoperation wasn’t always the anatomic failure of the repair. Out of 11 total reoperations, six were performed to treat refractory GERD, while five were for the recurrent hernia itself. This suggests that symptomatic reflux is often a more urgent clinical driver for surgery than the mere presence of a hernia on an imaging scan.

Clinical Implications and Study Limitations

The authors suggest that reflux-related symptoms may be a more critical marker of “meaningful failure” than anatomical recurrence alone. This means a patient might have a recurrent hernia that doesn’t bother them, while another might have severe GERD that necessitates surgery even if the hernia repair is technically intact.

The study’s conclusions are tempered by several limitations cited by the researchers:

• Data Collection: Some recurrence statuses were determined via clinical visits rather than standardized imaging.
• Testing Gaps: The team did not routinely use pH-impedance monitoring or manometry to objectively measure reflux.
• Sample Size: The relatively small number of recurrence events limits the statistical robustness of the predictor analysis.

Comparison of Outcomes: Recurrence vs. Reoperation