Laparoscopic common bile duct incision for stone removal and T-tube drainage surgery

1. Gallbladder floor 2. Gallbladder body 3. Gallbladder neck

4. Gallbladder duct 5. Common bile duct 6. Common hepatic duct

7. Left hepatic duct 8. Right hepatic duct 9. Inherent hepatic artery

10. Left hepatic artery 11. Right hepatic artery 12. Gallbladder artery

13. Calot Triangle

 

Indications for Surgery

1. Stones in the main bile ducts outside the liver show up - either first-time or recurring - but there's no narrowing of the tube. The blockage isn't severe enough to need a drain placed inside. Retrieval happens directly through a scope passed into the duct. Removal completes during the visual procedure.
2. Stones confirmed by preoperative or intraoperative cholangiography.
3. When bile duct stones cause yellowing skin or sudden infection, surgery may reveal a widened main duct plus stones that can be felt during the procedure.
4. Bile duct stones can occur after past belly surgeries. When scars are away from key areas, tools still fit through small cuts. Past operations might complicate things, yet access remains possible if the old cut stays clear of insertion zones. Healing from earlier procedures doesn't block new paths when positioned apart.
5. Bile duct stones left behind after keyhole gallbladder surgery sometimes resist standard cleanup methods. When the usual tube-cutting procedure isn't an option, patients face limited pathways forward. These cases often depend on anatomy more than choice. Surgery might step in when scopes can't pass through. Each situation bends toward its own solution, shaped by risk, access, timing.
6. After surgery on the bile ducts, leftover or returning stones might still occur. It's thought that scar tissue and internal sticking together of tissues won't block a follow-up look using keyhole tools. Exploration through small cuts stays possible under these conditions.

 

Contraindications for Surgery

1. Hepatolithiasis with extrahepatic bile duct stricture, making choledochoscopic stone extraction difficult.
2. Stone buildup in the liver might lead to surgery involving removal of part of the organ or repair work on the outer bile passages.
3. Multiple previous abdominal or biliary tract surgeries with suspected extensive abdominal adhesions.
4. Significant coagulation disorders.
5. Inability to tolerate pneumoperitoneum and general anesthesia.

 

Contraindications for Surgery

1. Postoperative Bile Leak

Cause: Most times, a bile leak happens when the cut in the bile duct isn't fully stitched shut. Pressure builds up if leftover stones block the duct's end. Inflammation can narrow the passage, forcing bile out through weak spots. Poor closure lets fluid escape into the belly.

Management:

• If a bile leak happens, keep the belly drain working well for a longer time. The flow must stay open without blockage through the full period.
• Should fluid collect because the drain comes out too soon or drainage fails, guide a needle using ultrasound to remove it, then insert a tube. Continue antibiotics longer than planned. Healing usually follows when these steps are taken.
• When widespread peritonitis shows up, get surgical drainage going - scope or open cut, doesn't matter which - as fast as possible. Timing shifts outcomes here. A slow move risks more harm than approach type.

2. Leftover Stones in the Bile Duct

Two months after surgery, most people need a look inside the bile duct using a scope plus removal of any stones found. If blockages remain near the narrowed part of the lower duct, a follow up with an ERCP might happen instead. Sometimes cutting the muscle there slightly helps clear what stays behind.

3. Bleeding

Cause: Most times, bleeding during surgery shows up when cutting into the front part of the common bile duct. This tends to happen because tiny blood vessels feeding the duct get damaged. Sometimes it's not those but an unusual path taken by the cystic artery. Other cases point straight to the right hepatic artery being in the way. Livers changed by cirrhosis bring their own risks, especially when pressure builds in the portal system. Swollen bile ducts from sudden infection add fuel too. Blood finds its way out whenever defenses are weak.

Management:

• Start cutting near where the cystic duct meets the common bile duct - this area tends to have less blood flow. That spot works best because it avoids major vessels. Pick that point carefully before moving forward.
• Start by spotting the widened bile duct. Where you intend to cut, burn small blood vessels carefully using an electric tool shaped like a hook. This stops them feeding the area. Heat seals each tiny vessel one after another. Work slowly around the outline meant for slicing. The method keeps bleeding under control. Every spot touched firms up without leaking. Precision matters most near fragile tubes. Finish only when all nearby micro-vessels are shut down.
• Where a big blood vessel runs over the bile duct, skip cutting there. Sometimes it's better to wait than risk hitting that spot. Not every place is safe just because it looks clear. A single wrong move near those crossings can cause trouble. Watch closely before doing anything at all.
• Choose certain situations carefully when treating people who have liver scarring with high blood pressure in the liver veins.

4. T-Tube Related Complications

Includes: One risk is the T-tube slipping out too soon. This can happen if the pathway hasn't healed enough by removal time. Then, bile may leak into the belly space. The body isn't ready when tissue strength falls short. A weak channel leads to serious fluid spillage. Healing delays raise this chance. Early extraction invites trouble without firm support.

Management:

• Should a T-tube slip out soon after surgery, getting it back usually means another procedure - could be laparoscopic or open. The body needs time to settle before trying less invasive fixes.
• Some people with bile in the belly from a broken tract avoid another surgery, instead getting better through careful monitoring or by using a nasal drain tube. Yet others eventually need surgical repair despite initial non-surgical care.
• Occasionally, a T-tube might get bent or blocked by stones - this shows up clearly on a cholangiogram. When the tube stays open too long, large drainage amounts sometimes cause low electrolytes and reduced hunger. About seven days after surgery, provided there's no leaking bile, closing off the tube makes sense.

 

Surgical Positioning and Trocar Placement

1. Surgical Position

On your back now. Left arm stretches sideways, forming a right angle with your torso - right one rests straight down by your side. Feet touch throughout. The table shifts slightly upward at the head end. Your body angles toward the left edge of the surface.

2. Trocar Placement

A (10mm, Camera port): Ten millimeters wide, this opening lets the camera through - situate it near the belly button, either higher or lower. Once gas fills the abdomen using a slender Veress tool, guide the hollow tube into place. That passage allows the lens to enter smoothly. Position matters most when setting up early access points. The first step shapes how clearly everything else comes into view later on. Placement shifts slightly based on patient build. Each move follows a quiet rhythm once started. Little adjustments make space for what comes next.

Start by checking if the belly looks swollen. When that happens, it can block the view near Calot's triangle. In such cases, put in a tube through the nose to clear out stomach gas and liquid. Most times though, there is no need for this tube at all. Go with a straight-ahead viewing scope - zero angle - for best results during the procedure.

B (10mm, Primary operating port): Midline of the abdomen, subxiphoid.

C (5mm, Secondary operating port): Midclavicular line, subcostal.

D (5mm, Secondary operating port): On the right side, just under the ribs. Through a 5mm opening at the front armpit area. This spot handles secondary tasks during surgery.

- Notes:

• Starting at the back, ports C and D help pull tissue aside so the area can be seen clearly during surgery.
• Below the rib edge, Ports C and D sit a bit lower than usual in an LC setup so the T-tube or belly drain isn't squeezed or kinked when coming out. That spot helps bile flow freely plus keeps fluid moving from the abdomen. It also eases soreness because the tube stays away from the bone ridge of the ribs.

 

Ways Stones Are Taken From Earth

1. Extrusion Method

Push on the lower part of the common bile duct using a suction tool to try moving stones out. When possible, shift them up toward the cut in the bile duct so they can slip through. A grabbing instrument might pull them straight from the opening without extra steps. Once caught, place each stone into a collection pouch right away.

2. Laparoscopic Instrument Method

From inside the bile duct cut, slip atraumatic laparoscopic bowel forceps toward the common or hepatic duct. Removing loose stones becomes simpler this way, even when they are large. Reaching them is less difficult using this path.

3. Open Instrument Method

Out through the small cut below the breastbone, take out the port. Through that same opening, slide in long biliary graspers, wide open. With the camera guiding, push them forward until they reach either the liver duct or the far tip of the main bile tube. Works well when the person is slim or weak.

4. High Pressure Large Volume Irrigation

Start by fitting a flexible rubber tube onto the suction nozzle, making sure every side opening is closed off. Slide that tubing gently into the lower part of the bile duct, possibly reaching up into the liver ducts. Fill a 50 milliliter syringe with saltwater, then slowly press it through the nozzle. Pressure from the fluid, along with swirling motion, helps move stones out via the cut in the duct. At the same time, shift the tube forward and backward several times. Most small bile duct stones under 2 centimeters respond well to this approach - doctors usually try it first. Close to eight out of ten cases clear completely with this technique.

5. Low Pressure Small Volume Irrigation

Start by guiding a slim catheter through a laparoscopic clamp, aiming for the lower bile duct, hepatic duct, or deeper branches inside the liver. From there, flush the area using sterile salt water pushed gently by hand. Pressure builds slowly because the tube is narrow, which limits how well stones move out. Compared to wider systems, this setup delivers weaker flow, reducing its cleaning power. Though it reaches tight spaces, the trade-off shows up in speed and effectiveness when clearing blockages. After all, force depends heavily on volume, something thinner tools simply lack.

6. Choledochoscopic Stone Extraction

When stones stay put despite earlier attempts, slide a choledochoscope through the hepatic duct or down into the lower part of the common bile duct while watching via laparoscopy. Grasp the stones with a retrieval basket once inside.

7. Intraoperative Choledochoscopy for Stone Breakdown and Removal

Start by tackling big bile duct stones when baskets fail. If the stone blocks passage, switch to electrohydraulic lithotripsy instead. This method shatters tough fragments on contact. Once broken apart, clear pieces mechanically or flush them free. Size matters here - only attempt after confirming access. Outcomes improve if debris is small enough to exit naturally. Finish only when the duct appears fully cleared.

8. Catheter Dilation Method

When there's a narrow spot in the lower part of the main bile duct or blockage from stones, one option involves widening it with a catheter. A thin wire, like a Zebra guidewire, goes first into the belly area. With help from a small scope made for surgery, curved tools used through a laparoscope move a special tube toward the narrowed section. Watching via another tiny camera inside the duct, someone on the team moves the wire back and forth, nudging it down past the tight zone until it reaches more than 20 centimeters into the gut space. Then, sliding the smaller expansion tube along that same wire, they push it forward roughly five centimeters into the upper intestine. Back and forth movement of the outer tube against the inner one helps shift the blockage loose. That motion might pull the stone into a widened part of the bile passage or break softer ones apart. Once done, take out the expanding catheter slowly. After that, apply earlier techniques to remove what remains.

9. Combined EST/ERCP Method

When stones remain stuck, try pairing surgery with ERCP plus a cut in the bile duct during the procedure.

10. Mini-laparotomy Assisted Method

Start by cutting the right side lining where the duodenum meets the abdominal wall using keyhole surgery tools. A tiny opening goes in the upper right belly area. Through that space, slide a hand inside - just like in traditional surgery - to lift the lower section of the duodenum while pressing on the bile duct's tip, nudging stones upward. Work alongside Technique 3, which uses open-style instruments, to pull out the stones.