Efficacy of the Serratus Posterior Superior Intercostal Plane Block for Postoperative Analgesia in Breast Cancer Surger.(SPSIP) Block is a Novel Regional Anesthesia Technique Targeting the Dorsal Rami and Intercostal Nerves (T2-T6), Providing Sensory Blockade to Both the Posterior and Lateral Aspect

The Serratus Posterior Superior Intercostal Plane (SPSIP) block is a novel regional anesthesia technique targeting the dorsal rami and intercostal nerves (T2-T6), providing sensory blockade to both the posterior and lateral aspects of the chest wall. By blocking these nerves at a more posterior location, the SPSIP block can potentially offer broader and more comprehensive analgesia for breast surgeries, including the axillary and deeper structures of the breast. This makes it a promising alternative or adjunct to the existing regional techniques used in breast cancer surgeries

Sex

Female

Minimum age

18 Years

Maximum age

75 Years

Inclusion Criteria:

1\. Female patients aged 18-75 years. 2. Scheduled for elective breast cancer surgery (MRM or BCS). 3. ASA physical status I-II. 4. Able to provide written informed consent.

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Exclusion Criteria:

1\. Chronic pain conditions or long-term opioid use. 2. Coagulation disorders (platelets \< 100,000/mm³ or INR \> 1.5). 3. Severe obesity (BMI \> 35 kg/m²). 4. Allergy to local anesthetics. 5. Anatomical abnormalities affecting block placement. 6. Pregnant or lactating women. 7. Active infection or skin lesions at the injection site.

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