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Table 2 Postoperative Visual Analog Scale values and incidence of postoperative nausea and vomiting and urinary retention according to the analgesic protocol

From: Comparison of several methods for pain management after video-assisted thoracic surgery for pneumothorax: an observational study

Visual Analog Scale values

PONV

Urinary retention

time

H0

H1

H2

H12

H24

H48

H72

  

Systemic analgesia alone (n = 15)

 At rest

4.5 [2–7]

4 [4–6]

3 [2–4]

3 [2–6]

3 [2–6]

2 [1.5–4]

2 [0–4]

3 (21%)

1 (7%)

 On coughing

6.5 [5–8]

7 [5–8]

5 [4–6]

5 [4–7]

5 [4–7]

5 [4–5]

3 [2.5–5]

Paravertebral block with continuous infusion through a catheter (n = 9)

 At rest

5 [1–6]

6 [1–6]

4 [1–4]

4 [2–5]

3 [2–4]

2 [2–4]

2 [0–4]

2 (22%)

2 (22%)

 On coughing

8 [4.5–9]

8 [4.5–9]

4 [3.5–5.5]

6 [4–9.5]

4.5 [3–6]

5 [3–7.5]

4 [2.5–5]

Single-injection serratus plane block (n = 16)

 At rest

4.5 [0.5–7]

5.5 [3–6]

3 [1–3.5]

3 [3–4]

3.0 [3–4]

3 [2–4]

2 [0–3]

2 (13%)

1 (6%)

 On coughing

6.5 [1–8]

6 [3–7]

4 [2–5]

5 [4–7.5]

4.5 [3–6]

5 [4–6]

3 [2–4]

Serratus plane block with continuous infusion through a catheter (n = 19)

 At rest

4.5 [0–6]

3 [0–6]

1 [0–3]

3 [2–5.5]

2 [1.5–4.5]

2 [0–4]

1 [0–2]

8 (42%)

0 (0%)

 On coughing

6 [1–8]

5 [3–7]

3 [3–5]

4.5 [3–6]

3 [3–6]

4 [1–5]

2 [2–3]

  1. Values are expressed as median [25e-75e percentiles] or n (%)
  2. PONV postoperative nausea and vomiting