Coeliac Plexus Block - Pain Free Partha

Coeliac Plexus Block - Pain Free Partha

Coeliac Plexus Block Dr. S. Parthasarathy MD., DA., DNB, MD (Acu), Dip. Diab. DCA, Dip. Software statistics Ph D physiology. Mahatma gandhi medical college and research institute, puducherry, India

Definition- what is this coeliac plexus ?? A complex network of nerve fibres The coeliac plexus is the largest of the autonomic plexuses and is located in the abdomen surrounding the coeliac and superior mesenteric arteries

Introduction The coeliac plexus contains visceral afferent and efferent fibers derived from T5 to T12 by means of the greater, lesser, and least splanchnic nerves. The plexus has no somatic fibers and is

composed of a number of ganglia and nerve fibers. It innervates most of the abdominal viscera. Coeliac plexus HISTORY

1914 KAPPIS first block in lateral position 1920 WELDING anterior approach. 1927 LABAT

now followed retrocrural approach in prone position. 1982 SINGLERS CT guided transcrural approach 1983 ISCHIA posterior transaortic

approach Indications: Abdominal pain associated with malignancy. ( Local anaesth. Or neurolysis) Nonmalignant abdominal pain ( neurolysis

controversial). Is it worth ?? In carefully selected patients with pancreatic cancer, provide partial to complete pain relief for 90% patients for up to 3 months and 7090% up until end of life.

Pain relief for all types of upper GI cancer has been reported to be between 70 and 97%. Indications can be combined with an intercostal block to provide anaesthesia for intraabdominal surgery.

Because it results in blockade of the autonomic nervous system, may help reduce stress and endocrine responses to surgery. Anatomy The coeliac plexus -- solar plexus.

main junction for autonomic nerves supplying the upper abdominal organs (liver, gall bladder, spleen, stomach, pancreas, kidneys, small bowel, and 2/3 of the large bowel). The celiac plexus proper consists of the celiac ganglia with a network of interconnecting fibers. .

Anatomy Sympathetic-supply: Greater splanchnic nerve (T5/6 to T9/10) Lesser splanchnic nerve (T10/11) Least splanchnic nerve (T11/12) The upper abdominal organs receive their

parasympathetic supply from the left and right vagal trunks, which pass through the coeliac plexus but do not connect there Anatomy L1 vertebra. posterior The vena cava lies anteriorly to the right, and on

the left anteriorly is the aorta., with the pancreas anterior. The kidneys lie laterally The number of ganglia varies from one to five, and each ganglion is 0.5 to 4.5 cm in diameter. Left-sided ganglia are usually lower than those on the right.

Coeliac plexus Technique prone position and a pillow beneath the abdomen intravenous sedation, local anaesthetic

infiltration of the superficial layers Iv fluids Needle entry below tip of twelfth rib Technique Technique

L1 spinous process(A) inferior edge of the 12th rib at a point 78cm lateral of the midline(points B and C). Connect these points to form a triangle, the base of which is passing over the inferior edge of the L1 spinous process Technique

Aseptic preparation of the skin, infiltrate the skin and muscle with local use a 12-18 cm long ,20-22 gauge needle and introduce(the left side needle first) at a 45degree angle relative to the sagittal plane The direction is towards the L1 spine and proceeds to hit on the L1 vertebral body.

(more superficial bony contact may be the L1 transverse process) Finger as control Technique The needle contacts the L1 vertebral body at a

depth of. 7-10 cm. A skin marker is placed on the needle. The needle is then withdrawn re introduced laterally until it just slips from the lateral border of the vertebral body Slowly advance the needle further, feeling for the transmitted pulsations of the aorta and stop advancing once

pulsations are felt. On the right side advance further 1 cm. Points A,B,C and 2 needles Fluroscopy

CT guided Other techniques Paramedian approach: Needle is inserted caudad to 12 th spinous process at a point 3 cm lateral to the midline in a plane perpendicular to the skin

Anterior approach: Through the anterior abdominal wall under fluoroscopic and ultrasound guidance. USG guided anterior approach Newer approaches

transdiscal percutaneous approach of splanchnic nerves, which is carried out under CT control, improves accuracy, reduces complications Surgical approach

Transgastric approach Endoscopic Ultrasound Drugs Agents used for blockade are 0.5% bupivacaine with adrenaline1:200000 around 30ml, 15 ml on

either side with or without dexa for chronic pain Neurolytic blockade is indicated in abdominal malignancies where alcohol 50-100% or 10% phenol is used. The pain on injection of alcohol can be minimised with combination of bupivacaine 1:1 ratio

How to know it works ?? The signs of successful block is hypotension patient may feel an urge to empty bowel. Contraindications Bleeding disorders and infection

Aortic aneurysm Non autonomic pain Complications Severe hypotension may result, even after unilateral block. Bleeding due to aorta or inferior vena cava injury

by the needle. Intravascular injection (should be prevented by checking the needle position with radio-opaque dye). Upper abdominal organ puncture with abscess/cyst formation.

Complications Paraplegia from injecting phenol into the arteries that supply the spinal cord (prevented by checking the needle position with radio-opaque dye). Sexual dysfunction (injected solution spreads to the sympathetic chain bilaterally). Intramuscular injection into the psoas muscle.

Lumbar nerve root irritation (injected solution tracks backwards towards the lumbar plexus). Complications More from neuro lytic blocks

Thank you all

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