Single incision gallbladder surgery, without gas
One opening of 1 to 2 cm instead of four. No carbon dioxide pumped into the abdomen, and no abdominal muscle divided. This page explains what that actually changes for a patient, why the gas is responsible for the pain people remember most after conventional keyhole surgery, and where the limits of the technique are.
Three ways to remove a gallbladder
The gallbladder itself is removed the same way in every technique. It is freed from the liver bed, the cystic duct and the cystic artery are identified and secured, and the organ is lifted out. What differs between operations is how much of your abdominal wall has to be disturbed to reach it, and that difference is almost the whole of what a patient experiences afterwards.
Traditional
Open cholecystectomy
One long incision below the ribs
A single wound of 5 to 7 inches
- Incision
- 5 to 7 inch open wound
- Muscle divided
- Significantly
- Gas used
- None, but a major wound
- Hospital stay
- 3 to 5 days
- Recovery
- 4 to 6 weeks
Routine keyhole
Four port laparoscopic
Four wounds plus CO2 insufflation
Two 10 mm and two 5 mm ports
- Incisions
- 4 separate wounds
- Muscle divided
- Minimally
- Gas used
- Yes, causes referred pain
- Hospital stay
- 1 to 2 days
- Recovery
- 5 to 7 days
This practice
Single incision, no gas
One opening, no insufflation
One opening of 1 to 2 cm
- Incision
- 1 cut, 1 to 2 cm
- Muscle divided
- None
- Gas used
- None
- Hospital stay
- Same day in most cases
- Recovery
- Usually under 24 hours
The gas
Why your shoulder hurts after an operation on your abdomen
Ask people a month after a routine laparoscopic gallbladder removal what they remember, and a striking number describe a pain in the right shoulder and across the chest rather than anything to do with their wounds. Patients find this baffling, and so would anyone. Nothing was done to the shoulder.
The explanation is straightforward once you know it. Conventional laparoscopy needs working space, and it creates that space by inflating the abdominal cavity with carbon dioxide until it is distended like a drum. That pressure pushes upward against the underside of the diaphragm, and the gas also forms carbonic acid on the moist peritoneal surface, which irritates it further.
The diaphragm is supplied by the phrenic nerve, which arises high in the neck from the third, fourth and fifth cervical nerve roots. Those same roots supply sensation to the skin over the shoulder tip. The brain receives a signal along that pathway and has no way of knowing it originated at the diaphragm rather than the shoulder, so it reports shoulder pain. It is the same mechanism that makes a heart attack hurt down the left arm.
Because the pain is referred rather than local, nothing applied to the shoulder helps it. It settles as the residual gas is gradually absorbed, which typically takes two to four days and occasionally longer. Patients also describe bloating, a tight distended abdomen, and difficulty taking a full breath in the first day or two, all from the same source.
Remove the insufflation and you remove all of it. This is the single largest difference a patient notices between this operation and the conventional one, and it is not a matter of degree. There is no gas to absorb, so there is no referred shoulder pain, no chest tightness and no gas bloating.
What this does not mean
It does not mean the operation is painless, and anyone telling you that is overselling it. There is a wound, and it will be sore, particularly on the first two days and most noticeably when you stand, cough, laugh or turn over in bed. What is removed is a specific and avoidable additional pain that has nothing to do with the surgery itself.
The muscle
Why it matters that nothing is cut through
The second difference gets less attention from patients but is arguably more important over a lifetime.
Every wound made through the abdominal wall is a potential site for a hernia later. The wall is a layered structure, and once its strong fibrous layer has been breached and repaired, the repair is never quite as strong as the original. Bowel or fat can push through that weak point months or years afterwards, producing a bulge that becomes uncomfortable, then painful, and sometimes requires another operation with mesh to fix.
This is why port site hernia is a recognised late complication of laparoscopic surgery, most often at the larger 10 mm port sites. Four wounds means four opportunities. The risk is not high for any individual port, but it is not zero, and it climbs with obesity, diabetes, chronic cough, wound infection and heavy physical work.
That last factor is the reason this matters so much in Rawalpindi specifically. A large proportion of men here return to work that involves lifting, whether on building sites, in workshops, in transport or in agriculture. A patient who cannot avoid heavy lifting for the rest of their working life is exactly the patient for whom a weakened abdominal wall becomes a real problem rather than a statistical one.
Working through a single small opening without dividing muscle leaves the abdominal wall essentially intact. There is one small defect to close rather than four, and the muscle layer itself is undisturbed. The risk of a port site hernia afterwards drops close to zero.
The operation
What actually happens on the day
Described at the level a patient needs rather than as a surgical manual.
Anaesthesia
A general anaesthetic, given by an anaesthetist who has assessed you beforehand. You are asleep throughout and aware of nothing. The commonest thing patients notice on waking is a sore throat from the breathing tube rather than anything to do with the abdomen.
One small opening
A single incision of 1 to 2 cm is made, positioned so that the gallbladder can be reached without dividing muscle. Everything for the rest of the operation passes through that one opening.
Creating room to work, without gas
Conventional laparoscopy inflates the abdomen to make space. Here the working space is created mechanically instead, so the cavity is never pressurised with carbon dioxide. This is the step that removes the shoulder pain, the bloating and the breathlessness afterwards.
Freeing the gallbladder
The gallbladder is separated from the liver bed, and the cystic duct and cystic artery are identified, clearly proven to be what they appear to be, and then secured before anything is divided. This step is where the care goes, because the common bile duct lies immediately alongside and is the structure that must never be mistaken for the cystic duct.
Removal and closure
The gallbladder, with its stones inside it, is delivered through the same small opening. The wound is closed with absorbable sutures that do not need removing later, which is a practical advantage for anyone who has travelled a distance. The specimen is sent for histopathology as routine on every case.
Recovery and discharge
Usually 30 to 60 minutes of operating time, with several hours in recovery afterwards. Once you are fully awake, drinking without vomiting, passing urine, walking unaided and comfortable on tablets, you go home, which for most patients is the same evening.
Honest limits
Where this technique is not the right answer
A technique page that only lists advantages is marketing. These are the real constraints.
It is technically harder, and that is not a neutral fact
Working through four ports gives a surgeon triangulation: instruments approach the target from different angles, which makes tissue easier to hold in tension and dissect. Through a single opening the instruments run close to parallel, which is a harder way to operate and takes considerably longer to learn. This is exactly why single incision techniques have not displaced the four port operation worldwide despite being described decades ago. In the hands of someone who has done it for 25 years it is routine. It should not be attempted casually, and the relevant question to ask any surgeon offering it is how many they have done.
Some gallbladders should not be approached this way
A gallbladder that is acutely inflamed, gangrenous, or contracted and densely scarred from years of repeated attacks loses the tissue planes a surgeon works along. Dense adhesions from previous abdominal surgery do the same. In those situations the safe route may be additional ports or an open incision, and choosing that is a mark of good surgery rather than a failure of it. Where your scan suggests this is likely, you will be told before the operation rather than afterwards.
It does not change the operation's fundamental risks
Bile duct injury, bleeding, bile leak, wound infection and retained stones in the bile duct are risks of removing a gallbladder by any method. A smaller wound means less of it to become infected and a lower hernia risk, but the dissection near the bile duct is the same dissection. No incision size changes that, and any claim otherwise should be treated with suspicion. The risks are set out in full on the main gallbladder page.
It does not treat anything other than the gallbladder
If your upper abdominal symptoms are actually coming from acid reflux, gastritis or a functional bowel disorder, and the stones on your scan are silent bystanders, then removing the gallbladder by any technique will leave you with the same symptoms and one fewer organ. Establishing which is which is the work of the consultation. More on that here.
A claim this page does not make
Single incision and low pressure gallbladder surgery are described in the surgical literature and practised in various forms around the world. What is claimed here is 25 years of refining one operation to the point where it is reliably a day case in fit patients, not the invention of a category.
Afterwards
What the difference feels like in practice
On the first day, soreness at the wound that is worst when you stand, cough or turn in bed, and none of the shoulder pain, chest tightness or bloating that the gas produces. Simple painkillers are enough for most patients. Holding a pillow against the abdomen when you cough helps a great deal.
By day three or four most patients are noticeably more comfortable, and by the end of the first week the wound is usually just a mild tenderness. Desk work is realistic after three to five days, driving after about a week once you could perform an emergency stop without hesitating, and anything involving lifting after two to three weeks.
The scar heals to a fine line that becomes progressively harder to find. Many patients need to look carefully to locate it after some months. Healing varies between individuals, and anyone with a history of keloid or thickened scars should say so at the consultation.
اس طریقے میں پیٹ میں گیس نہیں بھری جاتی، اس لیے آپریشن کے بعد کندھے اور سینے میں درد نہیں ہوتا۔ ایک سے دو سینٹی میٹر کا ایک ہی کٹ لگتا ہے اور پٹھے نہیں کاٹے جاتے۔ زیادہ تر مریض اسی دن گھر چلے جاتے ہیں۔
Questions
About the technique
If there is no gas, how is there room to operate?
The working space is created mechanically rather than by pressurising the abdominal cavity with carbon dioxide. The surgical steps are the same, the gallbladder is freed and removed in the same sequence, but the abdomen is never distended. That is the change responsible for the absence of shoulder pain and bloating afterwards.
Is a single incision as safe as four?
It is a technically more demanding way to operate, because the instruments approach the target at similar angles rather than from separate directions. That is the honest trade. In experienced hands it is routine, and the essential safety step, proving the anatomy before dividing anything, is identical. The right question for any surgeon offering it is how many they have performed and how often they convert.
Will one bigger cut hurt more than four small ones?
An incision of 1 to 2 cm is not bigger than four incisions of 10 mm, 10 mm, 5 mm and 5 mm added together. It is less total wound, in one place rather than four, and without muscle division. In practice patients report the wound soreness as comparable or milder, with the large difference being the absence of gas pain.
Can this be done if I have had abdominal surgery before?
Sometimes. Previous surgery creates adhesions, which can make any keyhole approach difficult and occasionally unsafe. Bring your old operation notes to the consultation. If the plan needs to change once the abdomen is entered, that decision will be made on safety grounds, and you will have been warned beforehand that it is a possibility.
Does it take longer than the standard operation?
Typically 30 to 60 minutes of operating time, which is comparable. A gallbladder that is acutely inflamed or scarred takes longer by any technique, and that extra time is spent rather than rushed, because rushing a dissection alongside the bile duct is where serious complications come from.
Is there still a chance of needing an open operation?
Yes, and no surgeon can promise otherwise. Dense adhesions, a gangrenous gallbladder, bleeding that cannot be controlled through a small opening, or anatomy that cannot be proven with certainty all mean the safest route is a larger incision. Converting is a judgement in your favour, not a complication.
Will I need the stitches taken out?
No. The sutures used are absorbable, which spares patients who have travelled from Peshawar, Jhelum or Azad Kashmir a separate journey for something that takes a minute.
About the author
Written and medically reviewed by Dr. Abdul Qayyum Khan, MBBS, FCPS (Surgery) Pakistan, MRCS Royal College of Surgeons UK, Health Care Hospital, Satellite Town, Rawalpindi. General information about a surgical technique, not advice about your own case. Call 0336 593 5765 to discuss your scan.
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Find out whether you are a candidate
Not every gallbladder suits this approach, and the consultation exists to establish whether yours does. Bring your ultrasound report and films.
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