Research Article

Medium-Long-Term Clinical and Radiographic Outcomes of Minimally Invasive Distal Metatarsal Metaphyseal Osteotomy (DMMO) for Central Primary Metatarsalgia: Do Maestro Criteria Have a Predictive Value in the Preoperative Planning for This Percutaneous Technique?

Table 1

Classification of forefoot morphotypes according to Maestro criteria, including the added unclassified ones.

Forefoot MorphotypesMaestro Radiographic ParametersPercentage usually in the normal populationStudy Cohort
PreoperativeLast Follow-up

HarmoniousHarmonious Geometrical progression of 2 of the lesser M-bones with tolerance of 20% (±1 mm for M2M3 and M3M4, ± 2mm for M4M5)31%7.5% 
(7/93)
3.2% 
(3/93)

Non-harmonious 1M2M3 increased with M3M4 and M4M5 normal;
M2M3 decreased with M3M4 increased and M4M5 correct;
M2M3 normal with M3M4 increased and M4M5 correct;
M2M3 and M3M4 increased with M4M5 correct.
30%32.3% 
(30/93)
20.4%
(19/93)

Non-harmonious 2M4M5 hypoplasia: M3M4 and M4M5 increased37%43%
(40/93)
18.3%
(17/93)

Non-harmonious 3M1 > M22.4%0%
(0/93)
0%
(0/93)

Unclassified Non-harmoniousFeet that did not reflect any Morphotype-17.2%
(16/93)
58.1%
(54/93)