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Serratus Anterior Plane (SAP) Block vs SAP Block Combined With Transverus Thoracic Plane (TTP) Block, for Post-mastectomy Pain Control.

A

Assiut University

Status

Completed

Conditions

Pain, Postoperative

Treatments

Procedure: Serratus anterior plane block
Procedure: Transversus thoracic plane block

Study type

Interventional

Funder types

Other

Identifiers

NCT04375111
post-mastectomy pain control

Details and patient eligibility

About

a comparison shall be conducted between Serratus anterior plane block, on one hand, and transversus thoracic plane block combined with Serratus anterior plane block, on the other hand for management of post-mastectomy pain. VAS "Visual Analogue Scale" score will be compared in both case, and control groups.

Full description

Breast cancer is one of the most common cancers in women all over the world. In the united states, according to the CDC "Center of Disease Control", it's the second most common cancer occurring in women. Perioperative pain after breast surgeries remains to be taken lightly due to the minimal invasiveness of breast surgeries. However, it is estimated that 25-60% of patients undergoing breast cancer related surgeries develop chronic pain. Acute post-operative pain remains an important risk factor in developing chronic post-mastectomy pain; about 40% of women will have acute post-operative pain, on the other hand, 50% will have chronic pain. Different regional anaesthesia techniques have achieved better management of post-breast surgery acute pain and subsequently less frequent chronic pain. Add to that, effective regional anaesthesia will decrease both the surgical stress response and the requirements of general anaesthetics and opioids, which will keep the function of the immune system intact. A lot of regional anaesthesia techniques have been used to control anterior chest wall pain as the pectoral nerves (PECs) block, paravertebral block, intercostal nerve blocks, thoracic epidural analgesia, serratus anterior plane block. The breast receives its innervation through the anterior and lateral cutaneous branches of the 2nd to the 6th intercostal nerves. Targeting the serratus plane is a safer and a simpler procedure than multiple intercostal or paravertebral blocks. As a setback for the serratus anterior plane block, it only blocks the lateral cutaneous branches of the intercostal nerves with minimal if any effect on the anterior cutaneous branches. The serratus anterior plane block, being unable to block the anterior cutaneous branches of the intercostal nerves, have to be combined with another technique, transversus thoracic plane block, which can block them. The investigators here are trying to measure the efficacy of the combined serratus anterior plane block and tranversus thoracic plane block on the management of post-mastectomy pain.

Enrollment

54 patients

Sex

Female

Ages

30 to 60 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Adult female patients > 30 years old, ASA "American Society of Anaesthesiologists" physical status I or II undergoing any unilateral mastectomy.

Exclusion criteria

  • Patient's refusal.
  • Known contraindications to regional blocks, including local skin infections,and coagulopathy.
  • Allergies to the local anaesthetics used.

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

54 participants in 2 patient groups

SAP block for management of post-mastectomy pain
Active Comparator group
Description:
the patients in this group shall undergo Serraturs anterior plane block for management of post-mastectomy pain.
Treatment:
Procedure: Serratus anterior plane block
TTP block combined with SAP block for post-mastectomy pain
Active Comparator group
Description:
the patients in this group shall undergo combined Serraturs anterior plane block, and Transversus thoracic plane block for management of post-mastectomy pain.
Treatment:
Procedure: Transversus thoracic plane block
Procedure: Serratus anterior plane block

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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