Capurro Edad - Gestacionalpdf
The Capurro method utilizes a point-based system where each criterion is assigned a numerical value. The sum of these points corresponds to a specific gestational age in weeks.
The original method is distinct in that the Posture Sign carries significant weight. The total score provides a correlation coefficient with ultrasonography estimated age, typically within a margin of error of ± 1 to 1.5 weeks.
Table 1: Sample Scoring Interpretation (Simplified) | Total Score | Approximate Gestational Age | | :--- | :--- | | 10 - 15 points | 30 - 33 weeks | | 16 - 20 points | 34 - 36 weeks | | 21 - 25 points | 37 - 39 weeks | | 26+ points | 40+ weeks |
(Note: Exact tables should be referenced from the original Capurro standardized chart).
The Capurro method is a somatoneurological assessment used to estimate gestational age in newborns. It was developed by Dr. Héctor Capurro and colleagues in 1978, based on the earlier Dubowitz method but simplified for use in low-resource settings. The test takes 5–10 minutes and requires no special equipment—only a newborn, a warm room, and a pen to score five physical and neurological signs. capurro edad gestacionalpdf
The final score correlates with gestational age in weeks. It is most accurate between 28 and 42 weeks of gestation.
After summing the points, use the following linear regression formula (Capurro et al., 1978):
Gestational age (weeks) = 25.0 + (Total score × 0.35)
Alternatively, use this simplified table: The Capurro method utilizes a point-based system where
| Total score | Gestational age (weeks) | |-------------|-------------------------| | 10 | 28.5 | | 14 | 30.0 | | 18 | 31.5 | | 22 | 33.0 | | 26 | 34.5 | | 28 | 35.0 | | 30 | 35.5 | | 32 | 36.0 | | 34 | 37.0 | | 36 | 38.0 |
Note: For scores below 10 or above 36, the method loses precision. Always compare with maternal dates or ultrasound.
The examiner flexes the newborn’s arm for 5 seconds, then releases it. | Recoil response | Points | |----------------|--------| | No movement | 0 | | Slow, incomplete | 2 | | Brisk, complete | 4 |
Maximum total score: 8+8+8+8+4 = 36 points. After summing the points, use the following linear
| Observation | Score | | :--- | :--- | | Thick, cracked, superficial peeling | 0 | | Smooth, thin, red, translucent | 10 | | Medium thickness, moderate peeling, few veins | 20 | | Thick, parchment-like, deep cracks | 30 |
Rationale: Skin changes dramatically with maturation. Preterm infants (24-34 weeks) have smooth, gelatinous skin. By term, the epidermis thickens and cracks appear.
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