Table 1 MEDLINE search strategy

1

(laparolift or abdolift).ab,ti.

21

2

(gasless or non insufflative or noninsufflative or non pneumoperiton* or nonpneumoperiton*).ab,ti.

632

3

(abdom* adj3 lift*).ab,ti.

307

4

(abdominal wall adj3 (suspen* or elevat*)).mp. [mp=title, abstract, original title, name of substance word, subject heading word, floating sub-heading word, keyword heading word, organism supplementary concept word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms]

77

5

(laparos* or laparot* or peritoneoscop* or minimally invasive).ab,ti.

209927

6

1 or 2 or 3 or 4

925

7

5 and 6

572