Surgical strategies for giant paraesophageal hernia repair

A giant paraesophageal hernia occurs when a substantial portion of the stomach herniates through the diaphragmatic hiatus alongside the oesophagus. Compression of the gastric fundus can produce obstructive symptoms, while distortion of the gastro-oesophageal junction may cause reflux, anaemia or bleeding. Urgency rises when volvulus, strangulation, aspiration or another complication makes non-operative observation unsafe.

Repair is technically demanding because the hiatus may be widely stretched, the oesophagus short and surrounding tissues scarred. The objective extends beyond simply returning the stomach below the diaphragm; it requires a durable hiatal repair, effective reflux control, preserved swallowing and reduced recurrence risk.

Surgeons therefore compare transthoracic, transabdominal, laparoscopic, robotic and combined routes against each patient’s anatomy, previous operations and cardiopulmonary reserve. In Australia, where some patients live far from tertiary foregut centres, the pathway must also accommodate referral, transfer, hospital access and follow-up.

Assessment before choosing an approach

Planning starts with contrast-enhanced CT to define the hernia’s anatomy, gastric rotation and relationship to the aorta, oesophagus and trachea. Gastroscopy assesses oesophageal length, gastritis, strictures and Barrett’s changes. Pulmonary evaluation may include spirometry, chest imaging and assessment for aspiration, particularly when symptoms have led to repeated chest infections.

Before surgery, clinicians also review anticoagulants, nutritional status, frailty and previous abdominal or thoracic operations. Age alone does not determine suitability. A physically active patient may tolerate a prolonged reconstruction, whereas a frail patient with severe cardiopulmonary disease may require a shorter, less invasive procedure. Suspected malignancy changes the operation and may require staging and oncological planning. The ISDE resource on targeted HER2 therapy illustrates how advances in oesophageal adenocarcinoma treatment can influence multidisciplinary management before major surgery.

Open, thoracic and combined repair

Open surgery remains appropriate when the hernia is large, anatomy is distorted or adhesions from previous operations make safe laparoscopic dissection unlikely. A transabdominal approach provides access to the hiatus and upper abdomen, while a transthoracic route can offer direct access to the mediastinal oesophagus and facilitate dissection of a shortened oesophagus.

Surgeons may perform a Collis gastroplasty or wedge fundectomy when the oesophagus is too short to reach the hiatus without tension. Closure of the crura must be secure enough to prevent recurrent herniation, while a partial fundoplication or other reflux-control procedure is tailored to oesophageal function. For background on thoracic technique and professional training, the thoracic surgery guidance provides relevant educational resources for thoracic surgical teams.

Laparoscopic and robotic approaches

Laparoscopic repair is widely used because it can reduce postoperative pain, shorten hospital stay and accelerate recovery compared with open surgery. Surgeons divide the hernia sac, reduce the stomach, reconstruct the hiatus and address the gastro-oesophageal junction. Larger defects may require mesh reinforcement, but mesh use remains individualised because of erosion, migration and recurrence concerns.

Robotic systems add three-dimensional visualisation, articulated instruments and improved access within the chest. These features can assist with dissection around the oesophagus and tight diaphragmatic repair, although they do not eliminate the learning curve or the need for a durable reconstruction. A combined laparoscopic and thoracoscopic approach may be used when neither abdominal nor thoracic access alone provides sufficient exposure.

Choices that determine durability

Once the operative route is selected, several repair goals interact and must be balanced against patient risk:

• Preserve oesophageal blood supply while freeing enough length to restore it below the diaphragm without tension.
• Remove or divide the hernia sac where safely possible to reduce the risk of recurrent obstruction.
• Rebuild the crura around a calibrated hiatus, avoiding excessive narrowing that could impair swallowing.
• Add an appropriate reflux-control procedure based on motility, previous surgery and baseline lower-oesophageal sphincter function.

Risk-benefit decisions also shape reconstruction and perioperative management:

• Use mesh selectively when the primary repair is considered insufficient, documenting the rationale and possible future complications.
• Consider gastrostomy in selected patients with impaired emptying or substantial gastric distension rather than routinely.
• Coordinate anticoagulation interruption, mechanical prophylaxis and early mobilisation to reduce venous thromboembolism risk.
• Record anatomy, repair technique, mesh use and the plan for reflux management in the operative note.

These decisions influence both immediate safety and long-term follow-up. A technically neat reduction without a tension-free hiatus or adequate reflux control can leave the original problem unresolved.

Recovery and Australian follow-up

After major hiatal reconstruction, patients are monitored for bleeding, anastomotic or oesophageal injury, aspiration, dysphagia and recurrent hernia. Diet progresses from fluids to soft foods, with early mobilisation and respiratory exercises encouraged when appropriate. Symptoms such as persistent vomiting, fever, chest pain, difficulty swallowing or breathlessness require prompt clinical review rather than routine reassurance.

Australian practice adds several practical considerations. Complex foregut surgery is concentrated in tertiary units in cities such as Sydney, Melbourne, Brisbane and Adelaide. Public patients may wait for elective operating time, while treatment through the private hospital market can shorten scheduling delays but may involve insurer gaps or out-of-pocket costs beyond Medicare rebates. For people in regional Queensland or Western Australia, flights, accommodation and transfer between hospitals can affect access to specialist care. Telehealth can support follow-up, but early postoperative assessment and management of complications may still require an in-person visit.

The immediate next step is an upper-GI or thoracic surgical review with the CT and gastroscopy findings available, allowing the hernia anatomy, operative route and reflux-control strategy to be documented in a personalised plan.