$this->con->beginTransaction();
try {
    $stmt = $this->con->prepare(
        'INSERT INTO sedoc.proc_dest(id_categoria, ci)'
        . ' VALUES (:categoria, :ci)'
    );
    $stmt->bindValue(':ci', trim($procdestModel->getCI()));
    $stmt->bindValue(':categoria', $categoria);
    $stmt->execute();
    $ultimo = $this->con->lastInsertId('proc_dest_id_proc_dest_seq');
    this->con->commit();
    return $ultimo;
} catch (Exception $e) {
    $this->con->rollBack();
    Message::setMessage('registro', 'Error!', 'error');
    return false;
}